Single-barb design provides a leak-proof seal. Natural polypropylene offers good chemical resistance, with maximum pressure of 125 psi, and temperature range of -9°F to 150°F. Natural PVDF (Polyvinylidene Fluoride) provides the ultimate chemical and abrasive resistance and strength, with maximum pressure of 260 psi and temperature range of -80° to 226°F. PVDF fittings are ozone and UV resistant. All sizes from 1/16" through to 1". Stock Listed from 1/4" - 1" NOTE: NYLON AVAILABLE BUT NOT LISTED, IN BLACK