Representative image — tap to enlargeTier1 21x26x5 Merv 8 Pleated AC Furnace Air Filter 2 Pack (Actual Size: 19 11/16 x 20 11/16 x4 7/8)
$76.74
Includes contiguous-US shipping and sales tax (no tax line at checkout).
Typical delivery is a few business days in the contiguous United States. A delivery estimate is confirmed in your payment-link email. Shipping to Alaska, Hawaii, Puerto Rico, other US territories and APO/FPO addresses is not included in any price; we quote it in your payment-link email before you pay.
| SKU | MM-AF-87E353 |
|---|---|
| Brand | Tier1 |
| Item no. | TIER1-DPFT21X26X5AM8 |
| Nominal size | 21x26x5 in. |
| MERV | 8 |
| Pack | 2 |
| Price checked | 2026-11-15 |
| Returns | 30 days from delivery (new, unused) |
Sold by MadMax Trade Supply (reseller). Typical delivery is a few business days in the contiguous United States; shipping to AK, HI and US territories is quoted before payment. Returns accepted within 30 days of delivery (new, unused, original packaging; customer pays return shipping). Terms, shipping & returns.
Part and size pages: Other 21x26x5 air filters · Other 21x26x5 MERV 8 filters
Help and how-to: How to choose an HVAC air filter MERV rating · What size furnace filter do I need? · Mini-split filter finder (Mitsubishi, Fujitsu, Daikin) · Which way does a furnace filter go? Reading the airflow arrow · How often should you change your furnace filter? · Can you put a HEPA filter in a furnace?