AO Smith FC40R1078 24 in. x 24 in. x 4 in. Return Grille Media Air Filter voomi_id_58300 It features thermal overload protection

It features thermal overload protection and meets UL and CSA standards

tailored for operations requiring up to 5 tons of capacity

Connection Type: 1/2 in NPT

This valve features a compact design and is suitable for HVAC and other system integrations

AO Smith FC40R1078 24 in. x 24 in. x 4 in. Return Grille Media Air Filter voomi_id_58300 It features thermal overload protectionAO Smith FC40R1078 Overview The Return Grille Filter provides a high efficiency, long life alternative to a 1" filter. Our patented design, unique to the industry, captu a significant amount of the airborne particles, in the air that circulates through the filter. Featu Mounts in most return filter grilles. Pleated for greater media capacity. Low psure drop provides a comfortable air flow. Maintains equipment efficiency longer than standard filters.