RELIABLE MATERIAL- Type: Non-Barrier; Color: Blue; Nominal Diameter: 3/4'; Total Length: 300ft. Keep quick & constant hot/cold water flows. Made of PEX material, non-toxic, crack-resistant, leak-proof. Perfect for potable water or radiant floor water use. SUPERB SEALING- Non broken design, tackle with different weather circumstance, no matter high temperature or cold days, this radiant floor heating system will not deform, thus to ensure integrity and safe use. PREMIUM FLEXIBILITY- Min.7' bending radius, easy to bend for different ground situation. Pressure rate: 188-217psi at 20, 101-108psi at 95. Compatible water temperature: -45 to 110(-47 to 230). Thus to ensure good temperature resistant, crack- & leakage-proof of the 3/4' PEX. EFFORTLESS INSTALLATION- Compatible with different connection system & floor type, such as: Crimp connection system (crimp tool + crimp rings + crimp fittings); Cinch (clamp) connection system (cinch tool + St