Filter King subject lines
121 subject lines averaging 32 characters.
| Picture | Sent (Eastern) | Subject | Characters | Preview text | |
|---|---|---|---|---|---|
| Sep 16, 2026 10:09 AM | 🎁 a $10 surprise from Filter King | 34 | Open before your next order | Sep 16, 2026 10:09 AM · 34 characters. Open before your next order | |
| Sep 13, 2026 10:07 AM | 🌾 + 🌫️ one filter handles both | 30 | Why MERV 13 stands apart | Sep 13, 2026 10:07 AM · 30 characters. Why MERV 13 stands apart | |
| Sep 12, 2026 10:01 AM | Allergy season starts outside. | 30 | Ragweed is back 🤧 | Sep 12, 2026 10:01 AM · 30 characters. Ragweed is back 🤧 | |
| Sep 11, 2026 9:02 AM | September's biggest allergy trigger? | 36 | Ragweed 🌾🌾🌾 | Sep 11, 2026 9:02 AM · 36 characters. Ragweed 🌾🌾🌾 | |
| Sep 8, 2026 8:30 AM | A few hours left… ⏳🇺🇸 | 21 | Sep 8, 2026 8:30 AM · 21 characters. | ||
| Sep 7, 2026 1:23 PM | Still Curious? It’s Right Where You Left It 👇 | 47 | Take a Closer Look 🔍 | Sep 7, 2026 1:23 PM · 47 characters. Take a Closer Look 🔍 | |
| Sep 7, 2026 8:04 AM | Labor Day Sale is going strong | 30 | Save more. Reorder less 📦📦📦 | Sep 7, 2026 8:04 AM · 30 characters. Save more. Reorder less 📦📦📦 | |
| Sep 6, 2026 2:22 PM | Still on Your Mind? 🤔 | 22 | We saved your pick | Sep 6, 2026 2:22 PM · 22 characters. We saved your pick | |
| Sep 6, 2026 10:07 AM | Labor Day savings are waiting · Resent | 29 | Sep 6, 2026 10:07 AM · 29 characters. | ||
| Sep 5, 2026 10:01 AM | Labor Day savings are waiting | 29 | Sep 5, 2026 10:01 AM · 29 characters. | ||
| Sep 4, 2026 8:30 AM | The more you buy = the more you save | 36 | You’ll love this Labor Day SALE 🇺🇸 | Sep 4, 2026 8:30 AM · 36 characters. You’ll love this Labor Day SALE 🇺🇸 | |
| Sep 1, 2026 9:08 AM | 23 million Americans dread what's coming... | 43 | Ragweed 🌾🌾🌾 | Sep 1, 2026 9:08 AM · 43 characters. Ragweed 🌾🌾🌾 | |
| Aug 31, 2026 8:39 AM | One final extension for your $9.53 | 34 | Aug 31, 2026 8:39 AM · 34 characters. | ||
| Aug 30, 2026 10:31 AM | ⏰ Last chance to use your $9.53 | 32 | Aug 30, 2026 10:31 AM · 32 characters. | ||
| Aug 29, 2026 10:30 AM | $9.53 - one more reminder 👀 | 30 | Aug 29, 2026 10:30 AM · 30 characters. | ||
| Aug 28, 2026 8:04 AM | After August, $9.53 is gone… | 29 | Aug 28, 2026 8:04 AM · 29 characters. | ||
| Aug 27, 2026 9:09 AM | MERV ratings, explained simply | 30 | Choose the right filter 👇 | Aug 27, 2026 9:09 AM · 30 characters. Choose the right filter 👇 | |
| Aug 25, 2026 8:02 AM | Found: $9.53 in your account 💰 | 31 | Aug 25, 2026 8:02 AM · 31 characters. | ||
| Aug 24, 2026 9:08 AM | Your 10% leaves TONIGHT 🚨 | 26 | Leaving your deal behind? | Aug 24, 2026 9:08 AM · 26 characters. Leaving your deal behind? | |
| Aug 21, 2026 8:39 AM | Before summer signs off… 👋 | 27 | Your August deal 👇 | Aug 21, 2026 8:39 AM · 27 characters. Your August deal 👇 | |
| Aug 19, 2026 9:08 AM | Back to school sale is live for a limited time! | 47 | Take 10% OFF 👇 | Aug 19, 2026 9:08 AM · 47 characters. Take 10% OFF 👇 | |
| Aug 17, 2026 8:02 AM | ⏰ 15% OFF MERV 13 | 18 | LAST CHANCE for an upgrade | Aug 17, 2026 8:02 AM · 18 characters. LAST CHANCE for an upgrade | |
| Aug 16, 2026 10:31 AM | MERV 13 is still 15% OFF | 24 | Aug 16, 2026 10:31 AM · 24 characters. | ||
| Aug 15, 2026 10:31 AM | Your MERV 13 just got cheaper | 29 | Aug 15, 2026 10:31 AM · 29 characters. | ||
| Aug 13, 2026 8:39 AM | ❗Your filter should be doing MORE | 34 | Upgrade to MERV 13 & save 15% | Aug 13, 2026 8:39 AM · 34 characters. Upgrade to MERV 13 & save 15% | |
| Aug 11, 2026 8:39 AM | 15% OFF MERV 13 | 15 | The air changed. Did your filter? | Aug 11, 2026 8:39 AM · 15 characters. The air changed. Did your filter? | |
| Aug 9, 2026 10:15 AM | The final countdown ⏰ | 22 | Last call for 15% OFF | Aug 9, 2026 10:15 AM · 22 characters. Last call for 15% OFF | |
| Aug 8, 2026 10:17 AM | 😳 We weren't supposed to do this... | 36 | Sale EXTENDED | Aug 8, 2026 10:17 AM · 36 characters. Sale EXTENDED | |
| Aug 7, 2026 8:39 AM | ⏰ Ends Tonight: 15% OFF $100+ | 30 | Don't miss your August restock | Aug 7, 2026 8:39 AM · 30 characters. Don't miss your August restock | |
| Aug 5, 2026 8:30 AM | 15% OFF $100+ starts today | 26 | August restock has arrived | Aug 5, 2026 8:30 AM · 26 characters. August restock has arrived | |
| Aug 3, 2026 9:00 AM | Why MERV 13 matters during wildfire season | 42 | Not all filters catch it ⚠️ | Aug 3, 2026 9:00 AM · 42 characters. Not all filters catch it ⚠️ | |
| Aug 2, 2026 10:15 AM | ⏰ $7.26 expires TONIGHT | 24 | Aug 2, 2026 10:15 AM · 24 characters. | ||
| Aug 1, 2026 10:30 AM | ⏰ Save $7.26 before it’s gone | 30 | Still thinking about it? | Aug 1, 2026 10:30 AM · 30 characters. Still thinking about it? | |
| Jul 30, 2026 8:39 AM | Don't forget your $7.26 | 23 | Jul 30, 2026 8:39 AM · 23 characters. | ||
| Jul 29, 2026 9:00 AM | The easiest thing to check off this summer | 42 | $7.26 OFF is waiting 👇 | Jul 29, 2026 9:00 AM · 42 characters. $7.26 OFF is waiting 👇 | |
| Jul 28, 2026 2:00 PM | ☀️ Summer SALE starts now! | 26 | Take $7.26 OFF any order | Jul 28, 2026 2:00 PM · 26 characters. Take $7.26 OFF any order | |
| Jul 25, 2026 10:22 AM | Still Curious? It’s Right Where You Left It 👇 | 47 | Take a Closer Look 🔍 | Jul 25, 2026 10:22 AM · 47 characters. Take a Closer Look 🔍 | |
| Jul 24, 2026 11:22 AM | Still on Your Mind? 🤔 | 22 | We saved your pick | Jul 24, 2026 11:22 AM · 22 characters. We saved your pick | |
| Jul 24, 2026 9:03 AM | Please don't ignore the air quality alerts ❗ | 45 | Jul 24, 2026 9:03 AM · 45 characters. | ||
| Jul 23, 2026 8:39 AM | You can't stop the wildfire… | 29 | Smoke outside 🔥 At least keep it THERE | Jul 23, 2026 8:39 AM · 29 characters. Smoke outside 🔥 At least keep it THERE | |
| Jul 22, 2026 9:05 AM | Wildfire smoke is moving across the U.S. | 40 | ⚠️ Smoke isn't just outside anymore | Jul 22, 2026 9:05 AM · 40 characters. ⚠️ Smoke isn't just outside anymore | |
| Jul 21, 2026 9:01 AM | A $20 mistake on every power bill 💰 | 36 | Don't let a dirty filter drain your wallet! | Jul 21, 2026 9:01 AM · 36 characters. Don't let a dirty filter drain your wallet! | |
| Jul 20, 2026 9:00 AM | Does your house smell... like a dog? 🐶 | 39 | The filter that fights odors | Jul 20, 2026 9:00 AM · 39 characters. The filter that fights odors | |
| Jul 19, 2026 9:01 AM | 🥵 Your HVAC has been pulling double shifts | 43 | Heatwaves don't just wear YOU out... | Jul 19, 2026 9:01 AM · 43 characters. Heatwaves don't just wear YOU out... | |
| Jul 18, 2026 11:02 AM | Your AC doesn't get a summer break 🥵 | 37 | Jul 18, 2026 11:02 AM · 37 characters. | ||
| Jul 16, 2026 9:02 AM | Wildfire smoke + pollen = MERV 13 | 33 | Breathe easier this summer | Jul 16, 2026 9:02 AM · 33 characters. Breathe easier this summer | |
| Jul 14, 2026 9:01 AM | MERV 8, 11 or 13? | 17 | Don't guess your rating | Jul 14, 2026 9:01 AM · 17 characters. Don't guess your rating | |
| Jul 12, 2026 11:03 AM | Never think about filters again | 31 | Set it. Forget it. Save 5% | Jul 12, 2026 11:03 AM · 31 characters. Set it. Forget it. Save 5% | |
| Jul 10, 2026 9:02 AM | ⚠️ Air quality alerts across the U.S. | 37 | Is your filter ready? | Jul 10, 2026 9:02 AM · 37 characters. Is your filter ready? | |
| Jul 9, 2026 9:02 AM | 🌡️Your AC is working overtime | 29 | Extreme heat. Don't forget your filter | Jul 9, 2026 9:02 AM · 29 characters. Extreme heat. Don't forget your filter |
Based on 121 emails received from Jun 18 to Nov 2, 2026. Times in US Eastern. How we collect