Straight Water Copper Pipe AMERICAN STANDARD ASTM B88 SEAMLESS COPPER WATER TUBE TYPE M, Type K, Type L Straight WATER COPPER PIPE:AMERICAN STANDARD ASTM ... B88 SEAMLESS COPPER WATER TUBESTANDARD ... 1/2",4",5",6",8",10",12"Type K:Size:1/4",3/8",1/2",5/8 ... ",4",5",6",8",10",12" Straight Water Copper Pipe