4 3 * 1000 * pi July 8, 2019 16 32 64 128 3 4 poly pipe 1000 ft 3 4 pex pipe 1000 ft 4 3 x 1000 x pi 3 4 pex pipe 1000 3 4 inch pex pipe 1000 ft 4 3 times pi times 1000
