These barbed nylon tee fittings are made with FDA approved high-quality first-generation resin and are NSF 61 certified for drinking water.
Nylon is a strong, abrasion-resistant material with excellent impact resistance. Nylon insert fittings are generally acceptable for use at working pressures up to 150 psi and will withstand temperatures as high as 75°C (167°F) and as low as -40°C (-40°F) although they should not be used below 0°C (32°F) where fluid expansion from freezing can occur.