9/32 Extra Large sized silicone tubing. Clear top grade silicone water tubing. 9/32" (7.05mm) outside diameter with 5/32" (3.85mm) inside diameter, high flow silicone tubing. Thick walled to resist kinking, while still remaining incredibly flexible and virtually eliminates any cracking or pinhole problems. Specs: 9/32" (7.0mm) Outside Diameter, 5/32" (3.8mm) Inside Diameter. Sold in 3 foot or 6 foot lengths.Note:Works with 6.8mm grommets
