Home / Parts & Supplies / GE HVAC Accessories & Heat Kits / BASE RAIL OPENINGS – CLOSURE KIT GE 21J84 CLOSURE KIT GE · MODEL 21J84BASE RAIL OPENINGS – CLOSURE KIT Specifications Additional information Brand GE Related products GE · NAM24V2TA5SGE 2-Ton 2-Piece VS Air Handler2 Ton · R454BInstallation InstructionsQuick SpecsWarrantyPickup · Delivery Pricing & stockSign in GE · NS16H42SA5GE 3.5-Ton 16 SEER2 Single-Stage Heat Pump3.5 Ton · 16 SEER2 · Single-Stage · R454BInstallation InstructionsQuick SpecsWarrantyPickup · Delivery Pricing & stockSign in GE · NAM30E1TA5SGE 2.5-Ton 1-Piece ECM Air Handler2.5 Ton · R454BInstallation InstructionsQuick SpecsWarrantyPickup · Delivery Pricing & stockSign in GE · NS16H30SA5GE 2.5-Ton 16 SEER2 Single-Stage Heat Pump2.5 Ton · 16 SEER2 · Single-Stage · R454BInstallation InstructionsQuick SpecsWarrantyPickup · Delivery Pricing & stockSign in