6FT Stainless Steel Braided Propane Hose Extension Assembly with 3/8" Female x 3/8" Male Flare for Gas Grill, RV Fire Pit6FT Propane Extension Hose Assembly with 3 8" female x 3 8" male flare fittings. Key Features: 304 stainless steel braided hose assemble with inner tubing made of flame resistant material and solid brass fittings for safety and durability standard 3 8" female x 3 8" male flare fittings Compliant with ANSI Z21. 54 CSA 8. 4 Working pressure 0 350PSIG Outdoor use only

If your duct opening size is 10” x 4”

75" with screw holes distance between 10

The Listed size 12"x 4" is for inside duct opening measurement

Measure the size of the air duct opening(the size of the “hole” )

Adjustable blade allows all direction air deflection horizontally

If your duct opening size is 12” x 12”

our hoses are rated 290psi with burst strengh up to 1500psi

5” wide by 5

Working pressure is 125psi and burst pressure is 1500psi

the kit includes a quick-disconnect fitting

Working temperature ranges -40 to 210F

1/2" fitting ID allows 60% higher water flow than normal hoses