Galvanized Return Air Box Available in four sizes to match most furnaces, these ret SKU: SRABF14 EA 14" RABF 16" HIGH W/WTHR STRIP (SRABF14 )14" RETURN AIR BOX 7" HIGH (RAB714 )17" RABF 16" HIGH W/WTHR STRIP (SRABF17 )17" RETURN AIR BOX 7" HIGH (RAB717 )21" RABF 16" HIGH W/WTHR STRIP (SRABF21 )21" RETURN AIR BOX 7" HIGH (RAB721 )24" RABF 16" HIGH W/WTHR STRIP (SRABF24 )24" RETURN AIR BOX 7"HIGH (RAB724 ) Log in to View Price
