Need a 16x20x4 filter for your TopTech TT-MAC-1722 cabinet? Choose from genuine TopTech OEM, QuikBox version, or our premium Atomic compatible filter that delivers the same MERV 11 performance for 40% less.
✓ Compare Your 16x20x4 TopTech Filter Options:
| Filter Type |
Model # |
Price / per filter |
Key Benefit |
| TopTech OEM Standard |
TT-FM-1620 |
$44.95 |
Original equipment match |
| TopTech QuikBox® |
TT-FM-1620QB |
$42.99 |
Tool-free installation |
| Atomic Compatible |
AF-1620M11 |
$26.99 |
Best value - Save 40% |
Why 16x20x4 is Perfect for Smaller Systems
The 16x20x4 size is ideal for compact HVAC systems and smaller homes. With an actual size of 15.375" x 19.375" x 3.75", these filters fit perfectly in TT-MAC-1722 cabinets commonly found in 2-3 ton systems. All three options provide:
- ✓ MERV 11 filtration capturing particles down to 1 micron
- ✓ Low pressure drop for energy efficiency
- ✓ 6-month filter life under normal conditions
- ✓ Made in USA quality construction
- ✓ Compatible with both older TT-FM and newer QB systems
🔥 Popular Choice: Over 92% of customers choose the Atomic compatible filter after comparing. Same MERV 11 performance, significant savings, and backed by 4,123+ positive reviews.
Stock Status & Shipping
✅ All three 16x20x4 options are IN STOCK and ship today if ordered by 11:30 AM EST. Buy in bulk Atomic (case of 3) and save.
