AprilAire cabinet media
AprilAire media below is for matching cabinet/media contexts. It should not be treated as a generic 1-inch or 4-inch replacement.
Standard size guide
20x25 Standard Filter Options
A quick guide for 20x25 standard filter options.
20x25 standard 1-inch and 4/5-inch filter options.
Start with the size, then separate AprilAire cabinet media from name-brand 4-inch and 1-inch standard filter paths.
- 1SizePrinted on filter
- 2Depth / typeConfirm what fits
- 3MERVChoose filtration
QR setup pages
Use these when the exact customer setup is already known.
Name-brand 4-inch
Verified retail product rows are not populated yet. Customer-facing name-brand labels remain 3M Filtrete, Honeywell, and Lennox.
Broad retail search links
These are broad retailer searches, not verified product listings. Confirm exact size, depth, MERV/MPR/FPR, pack count, price, and availability before buying.
Name-brand 1-inch
Verified retail product rows are not populated yet. Check/change about monthly as general guidance.
Broad retail search links
These are broad retailer searches, not verified product listings. Confirm exact size, depth, MERV/MPR/FPR, pack count, price, and availability before buying.
Existing data rows
AprilAire cabinet/media options
Keep these separate from standard 1-inch and 4-inch paths. Do not treat nominal size alone as a fit claim.
AprilAire 210
Size 20x25MERV 11AprilAire cabinet media
Cabinet models: 1210, 1210-APR, 2210, 3210, 4200
AprilAire 213
Size 20x25MERV 13AprilAire cabinet media
Cabinet models: 1210, 1210-APR, 2210, 3210, 4200
AprilAire 216
Size 20x25MERV 16AprilAire cabinet media
Cabinet models: 1210, 1210-APR, 2216, 3210, 4200
Cabinet check
Related AprilAire cabinets
AprilAire 1210-APR
Cabinet / housing
Replacement media: 210, 213, 216
MERV and fit notes
MERV 11 or 12 is often a practical starting point. MERV 13+ can provide better filtration, but restrictive systems should verify airflow/static pressure before upgrading.
4-inch filters usually have more filter media surface area than 1-inch filters. When the size and rack depth are correct, more media area can often help airflow and service life.
1-inch filters are common and easy to replace, but they may load up faster. Higher MERV is not automatically better if the system cannot handle the airflow resistance.
Check your current filter size and depth before ordering. Exact brand availability varies, and retail links do not guarantee current price, tax, delivery, or stock.
For pros: verify size, depth, cabinet, or rail setup before quoting or ordering.