16x20x4 Extended Surface Air FilterMERV 11, 60-65%, Koch 110-502-405 (2 pcs) voomi_id_82775 and 10 inches valves

and 10 inches valves

or fluids that do not corrode the pressure sensing element

Monitors coil temperature for optimal defrost timing

MPN: 85985

16x20x4 Extended Surface Air FilterMERV 11, 60-65%, Koch 110-502-405 (2 pcs) voomi_id_82775 and 10 inches valvesCompact size, high efficiency extended surface filter. High efficiency microfiberglass filter media. Precision crafted corrugated aluminum separators. Compact design. Durable aluminized frame. Rigid, extended surface panel filters designed to provide high efficiency filtration in a compact, space saving 2 or 4 deep frame. They are constructed with a micro fiberglass air filter media that is engineered specifically for high efficiency applications. The