- RIDGIDDIE-PIPE 1" RH HS 12R - NPT FOR STAINLESS STEEL47637925Call for PriceAvailability: Special OrderRIDGIDDIE-PIPE 3/4" RH HS 12R - NPT FOR STAINLESS STEEL47637920Call for PriceAvailability: Special OrderRIDGIDDIE-PIPE 1/2" RH HS 12R - NPT FOR STAINLESS STEEL47637915Call for PriceAvailability: Special Order