CAPT4961C4. 21" x 21" x 30", 4 to 5 Ton, Painted Aluminum, TXV Expansion Device, R-410A, Upflow/Downflow, Cased, Evaporator Coil for Air Conditioner. Log In for Pricing and Availability. CAPF3030C6. 21" x 21-1/8" x 22", 2-1/2 Ton, Painted Aluminum, Flowrater Expansion Device, R-22/R-410A, Upflow/Downflow, Cased, Evaporator Coil for Air