P/N: NRSG211-11-2B Key Specs
Item
FURNACE AIR FILTER 20X25X4 MERV 11 PK2
Condition
New OEM Original
Actual Filter Size
28-1/4 x 16 x 3-3/4 in
Air Filter Capacity
High Capacity
Air Filter Item
Furnace Air Cleaner Filter
Air Flow @ 300 fpm
1,024 cfm
Common Applications
Furnace Air Cleaner
Filter Efficiency - Air Filters
65 %
Filters Out
MERV 9-12 Legionella, Humidifier Dust, Lead Dust, Coal Dust, Milled Flour, Auto Emission Particulates, Nebulizer Droplets
Final Recommended Resistance
1 in in wc
For Use With (Systems)
Aprilaire Space Gard 2200, Aprilaire Space Gard 2250, Lennox PMAC-20C
Frame or Header Material
Beverage Board
Initial Resistance @ 300 fpm
0.11 in wc
Max Temperature
140 Degrees F
Nominal Filter Size
20x25x4
OEM Replacement For (Filters)
Aprilaire Space Gard, Lennox 210/213
Removes Particles Down To
0.3 to 1 microns