1) Red copper construction 2) Size 24*0.4*130 3) Safe operation pressure:3. ... (Copper Strainers) for refrigerators, freezers, air conditioners And compressor units 2) Both ends with plastic caps, big one or little one ... (white, yellow, red, blue, Green, different colors available) 3) 5GR, 7GR, 10GR, 12GR ...