HFS(R) Homebrew Beer Wort Chiller (7.5'' 2.9''/30 plate, 3/4" x 1/2" NPT) 304 Stainless with 99.9% Copper Brazing 2.9"W x 7.5"L x 30 Plates (3.5"H) --- 1/2"NPT Wort Fitting x 3/4" NPT Water Fitting -321F to 392F Temperature Range - Max PSI 145 Cools 10 gallon batches from 212F to 75F in 10 minutes 1 Year Warranty