Double Jacket - 800# Test 100% Polyester - EPDM Lined The ultimate in industrial fire protection, this hose is manufactured to exacting municipal requirements. The jackets are woven from the finest high tensile. 100% polyester yarn, with complete filler coverage of both jackets. The compact weave insures flexibility and strength and will provide protection against wear from abrasion. It does not require drying after use and is completely immune to mildew and rot. Recommended 270 psi working pressure. 5% Cutting Charge for any length hose not listed. Branding is 1/2 Service Test Pressure or 400psi. Working is 270psi