Looking for TopTech TechPure replacement filters? You've found the right place. We carry genuine TopTech filters AND our premium Atomic compatible filters that fit perfectly in your TopTech cabinet system - saving you 40% while maintaining the same MERV 11 filtration quality.
Why Choose TopTech & Atomic Compatible Filters?
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Perfect Fit Guarantee: Both TopTech OEM and Atomic filters fit TT-MAC cabinets precisely
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Same MERV 11 Performance: Captures dust, allergens, and particles down to 1 micron
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QuikBox® Compatible: Works with both new QB and older TT-FM systems
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Made in USA: Premium quality from trusted American manufacturers
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Ships Today: Orders before 11:30 AM EST ship same day
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Bulk Savings: Save extra on cases of 3 or more
Popular TopTech Filter Sizes In Stock
Most common TopTech TechPure replacement sizes ready to ship:
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16x20x4 (TT-FM-1620 & TT-FM-1620QB) - Fits TT-MAC-1722 cabinets
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16x25x4 (TT-FM-1625 & TT-FM-1625QB) - Most popular size
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20x20x4 (TT-FM-2020 & TT-FM-2020QB) - Square format
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20x25x4 (TT-FM-2025 & TT-FM-2025QB) - Fits TT-MAC-2522 cabinets
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14x25x4 (TT-FM-1425 & TT-FM-1425QB) - Fits TT-MAC-1429 cabinets
TopTech + Atomic = Smart Choice
TopTech is a Carrier Enterprise brand known for quality HVAC products. Our Atomic compatible filters meet or exceed TopTech specifications while costing significantly less. With over 4,123+ verified reviews and a 4.9/5 rating, homeowners trust Atomic for:
- ✓ Professional-grade MERV 11 filtration
- ✓ Extended 6-month filter life
- ✓ Low pressure drop
- ✓ Solid construction that won't collapse
- ✓ 100% satisfaction guarantee
🔄 Subscribe & Save + Free Shipping
Never forget to change your filter again! Set your schedule (every 3, 6, or 12 months) and save on every order. Plus get FREE shipping on all subscription orders. Pause or cancel anytime.
Need Help Finding Your TopTech Filter?
Pro Tip: Check your current filter frame or cabinet door for the model number (like TT-FM-2025QB). The actual dimensions are typically about 1/2" smaller than the nominal size. For example, a 20x25x4 filter actually measures 19.375" x 24.375" x 3.75".
Can't find your size? Call us at 1-910-401-3910 or use our Filter Finder tool above. We'll help you identify the exact TopTech or compatible Atomic filter for your system.
TopTech, TechPure, QuikBox, and TT-MAC are registered trademarks of Carrier Enterprise, LLC. Atomic Filters is an independent manufacturer of compatible replacement filters.
