Introducing Healthy Solutionsa® Premier Evaporator Coils by ADP. These coils match perfectly with your system, providing an upgrade over standard matched coils.Product Features: High efficiency lanced fin design. Coils are air pressure tested at 500 psi, leak tested with helium, sealed with rubber plugs, then charged with dry air. Copper refrigerant connections for easy brazing on aluminum slab models. Cased coils have heavy gauge embossed galvanized cabinets fully lined with 5/8" foil faced insulation. All A-Coils are upflow or downflow capable. UV resistant drain pans are molded of high temperature (450 deg. F) engineered polymer Microbana® antimicrobial additive to inhibit the growth of mold and mildew in the drain pan. Expansion valve with improved temperature sensing: Mounted inside cabinet to prevent external sweating Bulb clamped standard factory installed