Cerro® CerroPure® ACR Water Tubing, Type L, 2-1/2 in Nominal, 2-5/8 in Outside Dia, 20 ft Length, Straight, Copper, Domestic

CerroPure® (ACR/OXY/MED) tube - is specially cleaned for use in air conditioning, refrigeration and medical gas systems and meets the maximum allowable residue limit of 0.0035 g/sq. ft. of interior tube surface area established in both ASTM B-280 and ASTM B-819. After cleaning, our CerroPure tubing in sizes up to and including 3-1/8 in is purged with dry nitrogen and the ends sealed with rubber plugs to maintain a positive pressure of nitrogen inside the tube. Plastic caps are fitted to the ends of CerroPure tubing larger than 3-1/8 in O.D. to maintain the clean interior surface. CerroPure tubing in sizes up to and including 3-1/8 in is ink marked "N2 Gas" to clearly identify it to the user.