Discount Filters subject lines
112 subject lines averaging 37 characters.
| Picture | Sent (Eastern) | Subject | Characters | Preview text | |
|---|---|---|---|---|---|
| Nov 2, 2026 7:02 PM | FINAL HOURS: 35% OFF vanishes at midnight | 41 | FINAL HOURS: 35% OFF vanishes at midnight The Halloween Sale ends at 11:59 PM ET. The… | Nov 2, 2026 7:02 PM · 41 characters. FINAL HOURS: 35% OFF vanishes at midnight The Halloween Sale ends at 11:59 PM ET. The… | |
| Nov 2, 2026 7:07 AM | LAST DAY! 35% OFF vanishes at midnight · Resent | 38 | FINAL HOURS: 35% OFF vanishes at midnight The Halloween Sale ends at 11:59 PM ET. The… | Nov 2, 2026 7:07 AM · 38 characters. FINAL HOURS: 35% OFF vanishes at midnight The Halloween Sale ends at 11:59 PM ET. The… | |
| Nov 1, 2026 7:04 PM | Save 35% Sitewide Before It Disappears! | 39 | LAST CALL: 35% OFF ends tomorrow. Don’t get spooked! Code BOO35 works through Mon 11/2 at… | Nov 1, 2026 7:04 PM · 39 characters. LAST CALL: 35% OFF ends tomorrow. Don’t get spooked! Code BOO35 works through Mon 11/2 at… | |
| Nov 1, 2026 7:16 AM | LAST CALL: 35% OFF ends tomorrow. Don't get spooked! | 52 | LAST CALL: 35% OFF ends tomorrow. Don’t get spooked! Code BOO35 works through Mon 11/2 at… | Nov 1, 2026 7:16 AM · 52 characters. LAST CALL: 35% OFF ends tomorrow. Don’t get spooked! Code BOO35 works through Mon 11/2 at… | |
| Oct 30, 2026 2:16 PM | LAST DAY! 35% OFF vanishes at midnight | 38 | FINAL HOURS: 35% OFF vanishes at midnight The Halloween Sale ends at 11:59 PM ET. The… | Oct 30, 2026 2:16 PM · 38 characters. FINAL HOURS: 35% OFF vanishes at midnight The Halloween Sale ends at 11:59 PM ET. The… | |
| Oct 30, 2026 12:21 PM | Don't get spooked: 35% off filters ends soon! | 45 | No tricks. Just 35% off furnace filters. Use code BOO35 through Mon 11/2! Use code BOO35… | Oct 30, 2026 12:21 PM · 45 characters. No tricks. Just 35% off furnace filters. Use code BOO35 through Mon 11/2! Use code BOO35… | |
| Oct 28, 2026 12:16 PM | 🍫 Your 35% Off Treat is Live! | 29 | No tricks. Just 35% off furnace filters. Use code BOO35 through Mon 11/2 Use code BOO35… | Oct 28, 2026 12:16 PM · 29 characters. No tricks. Just 35% off furnace filters. Use code BOO35 through Mon 11/2 Use code BOO35… | |
| Oct 26, 2026 12:17 PM | 🎃 No Tricks! Just 35% Off Filters | 33 | No tricks. Just 35% off furnace filters. Use code BOO35 through Mon 11/2 Use code BOO35… | Oct 26, 2026 12:17 PM · 33 characters. No tricks. Just 35% off furnace filters. Use code BOO35 through Mon 11/2 Use code BOO35… | |
| Oct 25, 2026 7:04 PM | Last call! WINTER28 expires tonight at midnight ET | 50 | Last day: 28% off furnace filters ends tonight 96 Your last chance to stock up before the… | Oct 25, 2026 7:04 PM · 50 characters. Last day: 28% off furnace filters ends tonight 96 Your last chance to stock up before the… | |
| Oct 25, 2026 7:02 AM | Last day: 28% off furnace filters ends tonight! | 47 | Last day: 28% off furnace filters ends tonight 96 Your last chance to stock up before the… | Oct 25, 2026 7:02 AM · 47 characters. Last day: 28% off furnace filters ends tonight 96 Your last chance to stock up before the… | |
| Oct 23, 2026 12:06 PM | Stock Up & Save 28% on Air Filters | 34 | One order. Covered all winter. 96 One order, less worry. Grab a multi-pack and stay… | Oct 23, 2026 12:06 PM · 34 characters. One order. Covered all winter. 96 One order, less worry. Grab a multi-pack and stay… | |
| Oct 21, 2026 12:05 PM | 28% Off: Give Your Furnace Filter a Fresh Start | 47 | Your furnace works harder in winter. Your filter should too. 96 More time indoors means… | Oct 21, 2026 12:05 PM · 47 characters. Your furnace works harder in winter. Your filter should too. 96 More time indoors means… | |
| Oct 19, 2026 12:05 PM | Save 28% on Filters Before Winter Hits ❄️ | 41 | Winter is coming. Is your furnace ready? 96 Get your furnace ready for heating season with… | Oct 19, 2026 12:05 PM · 41 characters. Winter is coming. Is your furnace ready? 96 Get your furnace ready for heating season with… | |
| Oct 18, 2026 7:05 PM | ⏰ Final Hours: Take 30% Off Before Midnight | 43 | Final hours: 30% off ends at midnight 96 After tonight, filters go back to full price… | Oct 18, 2026 7:05 PM · 43 characters. Final hours: 30% off ends at midnight 96 After tonight, filters go back to full price… | |
| Oct 18, 2026 7:03 AM | Last day: 30% off flash sale ends tonight! | 42 | Last day: 30% off flash sale ends tonight 96 Your final day to stock up and save on… | Oct 18, 2026 7:03 AM · 42 characters. Last day: 30% off flash sale ends tonight 96 Your final day to stock up and save on… | |
| Oct 17, 2026 10:06 AM | The Flash Sale is still live: 30% off ends soon! | 48 | The Flash Sale is still live: 30% off ends Sunday 96 The clock is ticking! Save on every… | Oct 17, 2026 10:06 AM · 48 characters. The Flash Sale is still live: 30% off ends Sunday 96 The clock is ticking! Save on every… | |
| Oct 16, 2026 12:02 PM | Meet ClearChoice: Made in Indiana, USA | 38 | Meet ClearChoice: Made in Indiana, USA Two days left to save 25% sitewide. | Oct 16, 2026 12:02 PM · 38 characters. Meet ClearChoice: Made in Indiana, USA Two days left to save 25% sitewide. | |
| Oct 14, 2026 12:01 PM | Meet AIRx: Made in Indiana, USA | 31 | Meet AIRx: Made in Indiana, USA See where it's made, then save 25% this week. | Oct 14, 2026 12:01 PM · 31 characters. Meet AIRx: Made in Indiana, USA See where it's made, then save 25% this week. | |
| Oct 12, 2026 12:05 PM | What 20+ Years of Filters Taught Us | 35 | What 20+ Years of Filters Taught Us Plus 25% off sitewide through Sunday. | Oct 12, 2026 12:05 PM · 35 characters. What 20+ Years of Filters Taught Us Plus 25% off sitewide through Sunday. | |
| Oct 11, 2026 7:03 PM | ⏰ LAST CHANCE: Prime 37% Off Expires Tonight | 44 | Last Day: 37% Off Savings are Prime 37% off sitewide through midnight EST. | Oct 11, 2026 7:03 PM · 44 characters. Last Day: 37% Off Savings are Prime 37% off sitewide through midnight EST. | |
| Oct 11, 2026 7:03 AM | Last Day for Prime Savings: 37% Off | 35 | Stock Up While the Savings are Prime 37% off sitewide through midnight EST. | Oct 11, 2026 7:03 AM · 35 characters. Stock Up While the Savings are Prime 37% off sitewide through midnight EST. | |
| Oct 9, 2026 12:02 PM | Keep the Prime Savings Coming: 37% Off Sitewide | 47 | Stock Up While the Savings are Prime This is the weekend to buy ahead. 37% off through… | Oct 9, 2026 12:02 PM · 47 characters. Stock Up While the Savings are Prime This is the weekend to buy ahead. 37% off through… | |
| Oct 7, 2026 6:59 PM | 🚨 Prime Savings: 37% Off Ends Soon 🚨 | 36 | Heat's On. Is Your Humidifier Ready? Our best discount this season. | Oct 7, 2026 6:59 PM · 36 characters. Heat's On. Is Your Humidifier Ready? Our best discount this season. | |
| Oct 7, 2026 7:04 AM | Don't Miss: Prime 37% Off Sitewide | 34 | Heat's On. Is Your Humidifier Ready? Our best discount this season. | Oct 7, 2026 7:04 AM · 34 characters. Heat's On. Is Your Humidifier Ready? Our best discount this season. | |
| Oct 6, 2026 12:05 PM | Prime Savings Continue: 37% Off Sitewide | 40 | Prime Savings: 37% Off Sitewide Furnace, humidifier, and fridge filters through Sunday | Oct 6, 2026 12:05 PM · 40 characters. Prime Savings: 37% Off Sitewide Furnace, humidifier, and fridge filters through Sunday | |
| Oct 5, 2026 12:03 PM | Prime Savings: 37% Off Sitewide | 31 | Prime Savings: 37% Off Sitewide Furnace, humidifier, and fridge filters through Sunday | Oct 5, 2026 12:03 PM · 31 characters. Prime Savings: 37% Off Sitewide Furnace, humidifier, and fridge filters through Sunday | |
| Oct 4, 2026 8:04 PM | Last Day: 30% Off Sitewide ⏰ · Resent | 29 | Last Day: 30% Off Sitewide It’s the final day to save 30% sitewide | Oct 4, 2026 8:04 PM · 29 characters. Last Day: 30% Off Sitewide It’s the final day to save 30% sitewide | |
| Oct 4, 2026 8:03 AM | Last Day: 30% Off Sitewide ⏰ | 29 | Last Day: 30% Off Sitewide It’s the final day to save 30% sitewide | Oct 4, 2026 8:03 AM · 29 characters. Last Day: 30% Off Sitewide It’s the final day to save 30% sitewide | |
| Oct 2, 2026 12:22 PM | Put This on Your Weekend To-Do List ✅ | 38 | Your Filter Can Wait. Your System Can’t. Take care of your filters before 30% off ends… | Oct 2, 2026 12:22 PM · 38 characters. Your Filter Can Wait. Your System Can’t. Take care of your filters before 30% off ends… | |
| Sep 30, 2026 12:07 PM | Get More From Your Fridge 💧 Take 30% Off Filters! | 50 | Are You Getting Your Fridge’s Full Value? You already own the filtration system. Use it. | Sep 30, 2026 12:07 PM · 50 characters. Are You Getting Your Fridge’s Full Value? You already own the filtration system. Use it. | |
| Sep 28, 2026 12:07 PM | What’s a Dirty Filter Costing You? 💸 | 36 | Are You Paying the Dirty Filter Tax? Skipping a filter change can cost you in ways you… | Sep 28, 2026 12:07 PM · 36 characters. Are You Paying the Dirty Filter Tax? Skipping a filter change can cost you in ways you… | |
| Sep 27, 2026 4:09 PM | 📢 Last Day to Save 35% on Filters · Resent | 33 | 35% Off Sitewide Ends at Midnight Everything on the site is 35% off until midnight… | Sep 27, 2026 4:09 PM · 33 characters. 35% Off Sitewide Ends at Midnight Everything on the site is 35% off until midnight… | |
| Sep 27, 2026 7:08 AM | 📢 Last Day to Save 35% on Filters | 33 | 35% Off Sitewide Ends at Midnight Everything on the site is 35% off until midnight… | Sep 27, 2026 7:08 AM · 33 characters. 35% Off Sitewide Ends at Midnight Everything on the site is 35% off until midnight… | |
| Sep 25, 2026 12:15 PM | Stock Up for Fall 📦 Save 35% | 29 | Stock Up for Fall Save 35% Our biggest sale of the season ends Sunday. | Sep 25, 2026 12:15 PM · 29 characters. Stock Up for Fall Save 35% Our biggest sale of the season ends Sunday. | |
| Sep 23, 2026 12:19 PM | Save 35% on the Filters You Need | 32 | Save 35% on the Filters You Need Pick the filters your home needs the most and save 35%. | Sep 23, 2026 12:19 PM · 32 characters. Save 35% on the Filters You Need Pick the filters your home needs the most and save 35%. | |
| Sep 21, 2026 12:10 PM | Save 35% & Get a Head Start on Fall | 35 | Your Filters Don't Know Fall Starts Tomorrow The calendar flips tomorrow. Your reset can… | Sep 21, 2026 12:10 PM · 35 characters. Your Filters Don't Know Fall Starts Tomorrow The calendar flips tomorrow. Your reset can… | |
| Sep 20, 2026 7:27 PM | ⏰ Last Day for 25% Off Filters | 30 | Discountfilters Finish your fall filter check before the sale ends tonight. | Sep 20, 2026 7:27 PM · 30 characters. Discountfilters Finish your fall filter check before the sale ends tonight. | |
| Sep 20, 2026 7:25 AM | ⏰ Last Day for 25% Off Filters | 30 | Discountfilters Finish your fall filter check before the sale ends tonight. | Sep 20, 2026 7:25 AM · 30 characters. Discountfilters Finish your fall filter check before the sale ends tonight. | |
| Sep 18, 2026 12:05 PM | Your Fall Filter Check Goes Beyond Home 🍂 | 42 | Discountfilters Take a quick room-to-car sweep and save 25% sitewide. | Sep 18, 2026 12:05 PM · 42 characters. Discountfilters Take a quick room-to-car sweep and save 25% sitewide. | |
| Sep 14, 2026 12:55 PM | Fall Checklist: Start with These Filters ➡️ | 43 | Before You Turn On the Heat… Two quick checks now will save you a lot of headaches when… | Sep 14, 2026 12:55 PM · 43 characters. Before You Turn On the Heat… Two quick checks now will save you a lot of headaches when… | |
| Sep 14, 2026 12:27 PM | Time to Check Your Fridge Filter? 💧 | 36 | Fridge Filter Due for a Check? Fridge filters and more are 25% off this week. Slow flow or… | Sep 14, 2026 12:27 PM · 36 characters. Fridge Filter Due for a Check? Fridge filters and more are 25% off this week. Slow flow or… | |
| Sep 13, 2026 7:06 PM | 30% Off Clocks Out Tonight 🕐 | 29 | Final Whistle 30% Off Ends Tonight The sale ends tonight. This is the two-minute warning. | Sep 13, 2026 7:06 PM · 29 characters. Final Whistle 30% Off Ends Tonight The sale ends tonight. This is the two-minute warning. | |
| Sep 13, 2026 7:01 AM | Last Day: 30% Off Every Filter 🏠 | 33 | Final Whistle 30% Off Ends Tonight Air, water, and vacuum filters, all 30% off until… | Sep 13, 2026 7:01 AM · 33 characters. Final Whistle 30% Off Ends Tonight Air, water, and vacuum filters, all 30% off until… | |
| Sep 11, 2026 12:01 PM | Save 30% Game-Day Ready in One Order | 37 | Save 30% Game-Day Ready in One Order A few quick swaps and your house is guest-ready. | Sep 11, 2026 12:01 PM · 37 characters. Save 30% Game-Day Ready in One Order A few quick swaps and your house is guest-ready. | |
| Sep 9, 2026 12:03 PM | Save 30% on Your Home's Line of Defense 🏈 | 42 | Football's Back Save 30% Sitewide A fresh air filter is the easiest play in the book. | Sep 9, 2026 12:03 PM · 42 characters. Football's Back Save 30% Sitewide A fresh air filter is the easiest play in the book. | |
| Sep 7, 2026 7:05 PM | 😬 You Almost Missed 35% Off Sitewide | 36 | TODAY: Last Day to Save 35% Just a few hours left to save on every filter you need. | Sep 7, 2026 7:05 PM · 36 characters. TODAY: Last Day to Save 35% Just a few hours left to save on every filter you need. | |
| Sep 7, 2026 7:02 AM | Happy Labor Day 35% Off Ends Tonight | 36 | TODAY: Last Day to Save 35% This is it. 35% off sitewide disappears tonight. | Sep 7, 2026 7:02 AM · 36 characters. TODAY: Last Day to Save 35% This is it. 35% off sitewide disappears tonight. | |
| Sep 6, 2026 12:02 PM | 35% Off Ends Tomorrow Night ⏳ | 30 | Ready for Fall? Save 35% on Filters Get ready with filters for 35% less. | Sep 6, 2026 12:02 PM · 30 characters. Ready for Fall? Save 35% on Filters Get ready with filters for 35% less. | |
| Sep 4, 2026 12:03 PM | Get Fresh Filters 35% Off | 25 | Your Long Weekend Prep List ✅ Everything on your filter list is 35% off. You just click… | Sep 4, 2026 12:03 PM · 25 characters. Your Long Weekend Prep List ✅ Everything on your filter list is 35% off. You just click… | |
| Sep 2, 2026 12:02 PM | Tastier Water is 35% Off 🧊 | 27 | The 30-Second Job That Pays Off The easiest swap in the house. | Sep 2, 2026 12:02 PM · 27 characters. The 30-Second Job That Pays Off The easiest swap in the house. |
Based on 112 emails received from May 22 to Nov 2, 2026. Times in US Eastern. How we collect