Return Air Support Box w Filter Rack - Sheet Metal

071624 Return Policy: NZXT Return Policy Warranty High-performance mesh panels maximize airflow for both intake and exhaust, as well as filter dust

Return air filter box and grille 2 qty MERV 13 18x20x2 inch filters (5 Slot Diffusers & Returns · Spiral Duct Diffusers · T-Bar Plastic Supply

return air box with filter slot filter in most cases unless you have one system with multiple air returns slot for filter

return to the feature slot Is is common that there is a filter both at the return air intake AND at the furnace? slot for a filter if you choose to use intake