Resideo FC40R1102 Filter 321894-706 it provides the necessary force

it provides the necessary force for reliable operation in high-demand environments

it maintains the ideal superheat balance across the evaporator coil to prevent liquid slugging and protect the compressor from premature failure

A standard 10mm wrench or socket is required to properly torque the clamp nuts to the OEM specification

heat-resistant black composite material

Installing it in a 115V circuit will result in failure to start or permanent damage to the windings

Resideo FC40R1102 Filter 321894-706 it provides the necessary forceFor service technicians and building managers seeking a high efficiency alternative to restrictive 1 inch filters, the Resideo FC40R1102 delivers a professional grade filtration solution. This 14x14x4 MERV 10 return grille filter is engineered with a deep pleated media design that provides significantly more surface area than standard glass fiber or pleated 1 inch inserts. By utilizing 4 inch deep media within a frame that fits most standard return