Filterbuy subject lines
136 subject lines averaging 42 characters.
| Picture | Sent (Eastern) | Subject | Characters | Preview text | |
|---|---|---|---|---|---|
| Aug 6, 2026 8:01 AM | Before the Heat Peaks, Check Your Air Filter | 44 | Aug 6, 2026 8:01 AM · 44 characters. | ||
| Aug 6, 2026 8:01 AM | Heat and Smoke Are Putting Your Air Filter to the Test | 54 | Aug 6, 2026 8:01 AM · 54 characters. | ||
| Aug 3, 2026 1:36 PM | Your Filter vs. This Summer's Air Quality | 41 | Upgrade what's filtering your indoor air. | Aug 3, 2026 1:36 PM · 41 characters. Upgrade what's filtering your indoor air. | |
| Aug 3, 2026 10:37 AM | Smog Season Is Here — Is Your Air Filter Keeping Up? | 54 | Upgrade what's filtering your indoor air. | Aug 3, 2026 10:37 AM · 54 characters. Upgrade what's filtering your indoor air. | |
| Aug 3, 2026 10:37 AM | Smog, Smoke, Ozone: What's Getting Into Your Air Right Now | 58 | Upgrade what's filtering your indoor air. | Aug 3, 2026 10:37 AM · 58 characters. Upgrade what's filtering your indoor air. | |
| Aug 3, 2026 2:07 AM | Take a Breath, Then Take Another Look | 37 | Super Fast and Free Shipping | Aug 3, 2026 2:07 AM · 37 characters. Super Fast and Free Shipping | |
| Aug 2, 2026 2:04 AM | High-Performance Replacement Filters | 36 | Take a second look. | Aug 2, 2026 2:04 AM · 36 characters. Take a second look. | |
| Jul 27, 2026 8:45 AM | Stop Pet Dander at the Filter, Not the Room | 43 | One filter change catches dander before it circulates — see which one fits your system. | Jul 27, 2026 8:45 AM · 43 characters. One filter change catches dander before it circulates — see which one fits your system. | |
| Jul 27, 2026 6:17 AM | Take a Breath, Then Take Another Look | 37 | Super Fast and Free Shipping | Jul 27, 2026 6:17 AM · 37 characters. Super Fast and Free Shipping | |
| Jul 26, 2026 6:16 AM | High-Performance Replacement Filters | 36 | Take a second look. | Jul 26, 2026 6:16 AM · 36 characters. Take a second look. | |
| Jul 25, 2026 8:30 AM | You don't need a $60 membership card to buy filters in bulk | 59 | No membership card, no giant cart, no existential crisis in the checkout line. | Jul 25, 2026 8:30 AM · 59 characters. No membership card, no giant cart, no existential crisis in the checkout line. | |
| Jul 25, 2026 8:30 AM | All the bulk savings, none of the warehouse trip | 48 | Same bulk savings you love, delivered right to your door — plus 10% off. | Jul 25, 2026 8:30 AM · 48 characters. Same bulk savings you love, delivered right to your door — plus 10% off. | |
| Jul 25, 2026 8:30 AM | Bulk pricing on filters, without the membership | 47 | Bulk multi-pack pricing, delivered in 3 days, free shipping, no membership required. | Jul 25, 2026 8:30 AM · 47 characters. Bulk multi-pack pricing, delivered in 3 days, free shipping, no membership required. | |
| Jul 22, 2026 8:30 AM | Last Day: 10% Off Sitewide Ends Tonight | 39 | Jul 22, 2026 8:30 AM · 39 characters. | ||
| Jul 21, 2026 11:32 AM | Filterbuy Math: $15 a filter vs. $6 a filter | 44 | Buy a 6-pack instead of one at a time — plus 10% off your first order. | Jul 21, 2026 11:32 AM · 44 characters. Buy a 6-pack instead of one at a time — plus 10% off your first order. | |
| Jul 17, 2026 2:40 AM | Take a Breath, Then Take Another Look | 37 | Super Fast and Free Shipping | Jul 17, 2026 2:40 AM · 37 characters. Super Fast and Free Shipping | |
| Jul 16, 2026 2:39 AM | High-Performance Replacement Filters | 36 | Take a second look. | Jul 16, 2026 2:39 AM · 36 characters. Take a second look. | |
| Jul 13, 2026 9:28 AM | Fresh Filters Help Your A/C | 27 | A quick filter change can help your system run smoother during peak summer heat. | Jul 13, 2026 9:28 AM · 27 characters. A quick filter change can help your system run smoother during peak summer heat. | |
| Jul 13, 2026 9:27 AM | Don’t Let a Dirty Filter Strain Your A/C | 41 | A quick filter change can help your system run smoother during peak summer heat. | Jul 13, 2026 9:27 AM · 41 characters. A quick filter change can help your system run smoother during peak summer heat. | |
| Jul 9, 2026 12:33 PM | Take a Breath, Then Take Another Look | 37 | Super Fast and Free Shipping | Jul 9, 2026 12:33 PM · 37 characters. Super Fast and Free Shipping | |
| Jul 8, 2026 12:21 PM | High-Performance Replacement Filters | 36 | Take a second look. | Jul 8, 2026 12:21 PM · 36 characters. Take a second look. | |
| Jul 6, 2026 10:52 AM | Celebrate cleaner air, all summer long | 38 | Fresh filters can help your HVAC system breathe easier during peak summer demand. | Jul 6, 2026 10:52 AM · 38 characters. Fresh filters can help your HVAC system breathe easier during peak summer demand. | |
| Jul 6, 2026 10:52 AM | Your AC is working overtime — check your filter | 49 | Fresh filters can help your HVAC system breathe easier during peak summer demand. | Jul 6, 2026 10:52 AM · 49 characters. Fresh filters can help your HVAC system breathe easier during peak summer demand. | |
| Jul 6, 2026 10:52 AM | Made in the USA. Ready for summer. | 34 | Fresh filters can help your HVAC system breathe easier during peak summer demand. | Jul 6, 2026 10:52 AM · 34 characters. Fresh filters can help your HVAC system breathe easier during peak summer demand. | |
| Jul 1, 2026 5:40 AM | Take a Breath, Then Take Another Look | 37 | Super Fast and Free Shipping | Jul 1, 2026 5:40 AM · 37 characters. Super Fast and Free Shipping | |
| Jun 30, 2026 5:38 AM | High-Performance Replacement Filters | 36 | Take a second look. | Jun 30, 2026 5:38 AM · 36 characters. Take a second look. | |
| Jun 29, 2026 10:11 AM | Humidity Rising? Replace Your Filters | 37 | Mold, Humidity & Heat. All rising. More need for fresh filters. | Jun 29, 2026 10:11 AM · 37 characters. Mold, Humidity & Heat. All rising. More need for fresh filters. | |
| Jun 22, 2026 10:47 AM | The #1 Reason To Change Your Air Filter This Summer! | 52 | It's breaking records, again. | Jun 22, 2026 10:47 AM · 52 characters. It's breaking records, again. | |
| Jun 22, 2026 10:47 AM | Replace Your Filters, Because Energy Bills Are Breaking Records. | 64 | New filters will help save energy. | Jun 22, 2026 10:47 AM · 64 characters. New filters will help save energy. | |
| Jun 21, 2026 2:50 PM | Take a Breath, Then Take Another Look | 37 | Super Fast and Free Shipping | Jun 21, 2026 2:50 PM · 37 characters. Super Fast and Free Shipping | |
| Jun 20, 2026 2:49 PM | High-Performance Replacement Filters | 36 | Take a second look. | Jun 20, 2026 2:49 PM · 36 characters. Take a second look. | |
| Jun 19, 2026 11:32 AM | #2 Reason To Change Your Filters For Summer | 43 | The unintended consequence of a cool home. | Jun 19, 2026 11:32 AM · 43 characters. The unintended consequence of a cool home. | |
| Jun 16, 2026 11:20 PM | Take a Breath, Then Take Another Look | 37 | Super Fast and Free Shipping | Jun 16, 2026 11:20 PM · 37 characters. Super Fast and Free Shipping | |
| Jun 15, 2026 11:19 PM | High-Performance Replacement Filters | 36 | Take a second look. | Jun 15, 2026 11:19 PM · 36 characters. Take a second look. | |
| Jun 15, 2026 1:26 PM | 3 Months of Clean Air Starts With One Filter | 44 | Replenish now and breathe easy all summer long. | Jun 15, 2026 1:26 PM · 44 characters. Replenish now and breathe easy all summer long. | |
| Jun 15, 2026 10:03 AM | School's Out. New Filters In! | 29 | A clogged filter stops cleaning and starts recirculating everything they shouldn't… | Jun 15, 2026 10:03 AM · 29 characters. A clogged filter stops cleaning and starts recirculating everything they shouldn't… | |
| Jun 15, 2026 10:03 AM | Your Kids Are Home. Is Your Air Filter Ready? | 45 | More kids inside means more dust, dander, and particles — all day, every day. | Jun 15, 2026 10:03 AM · 45 characters. More kids inside means more dust, dander, and particles — all day, every day. | |
| Jun 13, 2026 10:02 AM | The smoke in your home started 1,000 miles away. | 48 | MERV 13 is the filter rated to stop it. | Jun 13, 2026 10:02 AM · 48 characters. MERV 13 is the filter rated to stop it. | |
| Jun 13, 2026 10:02 AM | Upgrade your filter before the next smoke event. | 48 | MERV 13 is the filter rated to stop it. | Jun 13, 2026 10:02 AM · 48 characters. MERV 13 is the filter rated to stop it. | |
| Jun 8, 2026 10:38 AM | Your air filter is the last line of defense against ozone. | 58 | Make sure it's a fresh MERV 13. | Jun 8, 2026 10:38 AM · 58 characters. Make sure it's a fresh MERV 13. | |
| Jun 8, 2026 10:37 AM | June begins peak ozone season. Is your filter ready? | 52 | Make sure it's a fresh MERV 13. | Jun 8, 2026 10:37 AM · 52 characters. Make sure it's a fresh MERV 13. | |
| May 31, 2026 11:11 PM | Take a Breath, Then Take Another Look | 37 | Super Fast and Free Shipping | May 31, 2026 11:11 PM · 37 characters. Super Fast and Free Shipping | |
| May 30, 2026 11:11 PM | High-Performance Replacement Filters | 36 | Take a second look. | May 30, 2026 11:11 PM · 36 characters. Take a second look. | |
| May 30, 2026 9:30 AM | Filterbuy Just Got Cooler | 25 | Introducing Ductless Mini Splits | May 30, 2026 9:30 AM · 25 characters. Introducing Ductless Mini Splits | |
| May 30, 2026 9:30 AM | Introducing: Ductless Mini Splits 🧊 | 36 | Filterbuy just got cooler | May 30, 2026 9:30 AM · 36 characters. Filterbuy just got cooler | |
| May 25, 2026 8:30 AM | The Memorial Day Weekend Sale Ends Today. | 41 | Midnight tonight, the first-order discount disappears. Your summer is just beginning… | May 25, 2026 8:30 AM · 41 characters. Midnight tonight, the first-order discount disappears. Your summer is just beginning… | |
| May 23, 2026 8:43 AM | Memorial Day Weekend is your chance to save! | 44 | The sale ends Monday night. After that, full price — and summer is fully on. | May 23, 2026 8:43 AM · 44 characters. The sale ends Monday night. After that, full price — and summer is fully on. | |
| May 23, 2026 8:43 AM | Two Days Left to Save 10% on Your First Filterbuy Order. | 56 | The sale ends Monday night. After that, full price — and summer is fully on. | May 23, 2026 8:43 AM · 56 characters. The sale ends Monday night. After that, full price — and summer is fully on. | |
| May 21, 2026 11:09 AM | 10% Off Your First Order. | 25 | The sale runs through Memorial Day. First-time customers save 10% — and get free, fast… | May 21, 2026 11:09 AM · 25 characters. The sale runs through Memorial Day. First-time customers save 10% — and get free, fast… | |
| May 21, 2026 11:09 AM | Still Haven't Tried Filterbuy? The Memorial Day Sale Is Still On. | 65 | The sale runs through Memorial Day. First-time customers save 10% — and get free, fast… | May 21, 2026 11:09 AM · 65 characters. The sale runs through Memorial Day. First-time customers save 10% — and get free, fast… |
Based on 136 emails received from Mar 16 to Nov 3, 2026. Times in US Eastern. How we collect