Specification Brand : Lamons BulletPoint1 : Sterling Seal & Supply neoprene O-rings have excellent resistance to Freon, ammonia, R12,R13, R21, R22, R113, R114, R115,R134A, silicone oils, water, ozone, sunlight, vegetable oils and low-pressure oxygen BulletPoint2 : If you need an O-ring with a good temperature range, Sterling Seal & Supply neoprene O-rings have a heat resistance of up to 250 degrees F and remains flexible down to -40 degrees F BulletPoint3 : With its excellent resistance to sunlight, ozone, oxygen, carbon dioxide and weathering, our neoprene O-ring is an outstanding choice for outdoor applications BulletPoint4 : Sterling Seal & Supply neoprene O-rings have outstanding physical strength and resists the tearing and cracking caused by flexing and twisting BulletPoint5 : 2-3/8" ID Nominal X 1/8" CS Nominal Color : Brown ItemName : Sterling Seal OR70BLKNEO229X10 229 70 O-Ring, Neoprene (Pack of 10) ItemPackageDimensions_Height : 2 inches ItemPackageDimensions_Length : 15 inches ItemPackageDimensions_Width : 13 inches ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : o-ring-seals Manufacturer : Lamons Material : Neoprene Material1 : Fluorocarbon Material2 : Viton ModelNumber : OR70BLKNEO229X10 NumberOfItems : 10 PartNumber : OR70BLKNEO229X10 ProductDescription : Item Type: O-Ring Size: 1'' (#16) ORB / SAE Actual Size: ID: 1.171 +/- .010 Thickness: .116 +/- .004 Material: 90 Durometer Nitrile (Buna)