6FT Stainless Steel Braided Propane Hose Extension Assembly with 3/8" Female Flare on Both Ends for Gas Grill, RV Fire Pit6FT Propane Extension Hose Assembly with 3 8" female flare x 3 8" female 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 flare x 3 8" female flare fittings Compliant with ANSI Z21. 54 CSA 8. 4 Working pressure 0 350PSIG Outdoor use only

6” wide by 5

namely UPC

The listed size 8" x 4" is for the inside duct opening measurement

This product has listed size 14“w X 6”h is for duct opening measurement only

just name a few

actual outsize overall dimensions is 14“ wide by 14” high

Do not use outside measurement for size selection or it would be too bit to fit

It fits in 4 inch x 14 inch duct opening

also called vinyl tubing

The Listed size 20"x8" is for inside duct opening measurement

6” larger for both width and length so it can cover the “hole”

Working pressure: 125psi at 73o F and working temperature range: -4℉~176℉