Perko pipe to hose adapters are made from cast bronze with precision machined hose barbs. A cast-in hex makes for easy installation. We offer this product in 6 different sizes, which are listed below with their part numbers. Made in the USA. 0076DP4PLB - 0.50" Pipe to 0.625" Hose - 1.625" Overall length 0076DP5PLB - 0.75" Pipe and Hose - 1.75" Overall length 0076DP6PLB - 1.00" Pipe and Hose - 1.75" Overall length 0076DP7PLB - 1.25" Pipe and Hose - 2.00" Overall length 0076DP8PLB - 1.50" Pipe and Hose - 2.25" Overall length 0076009PLB - 2.00" Pipe and Hose - 2.625" Overall length 0076010PLB - 2.50" Pipe and Hose - 4.00" Overall length