Threaded Screw-On Caps for 3 and 5 Gallon Water Bottle Jugs 3 pk 53mm White

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Included: 3 screw-on caps with foam liner. Two different sizes to select from: 48mm or 53mm. Water jug's label will specify which cap size is needed, or measure jug's T Dimension for proper cap size selection. See below for measuring instructions. Compatible with many 3 and 5-gallon plastic water dispenser bottles that require twist on (screw-on) caps. Dimensions of 48mm cap: ID: 48mm (1.89 inches), OD: 50mm (1.97 inches). 48mm cap for use on models such as: AquaNation, Crystal Spring, Primo (Walmart, Lowe’s) bottles with twist caps, New Wave Enviro, and Ore International. Dimensions of 53mm cap: ID: 53mm (2.09 inches), OD: 55mm (2.17 inches). 53mm cap for use on models such as: American Maid. Not for use on water dispenser bottles that require snap on caps, such as: Polar Artic, Nestle PureLife, Primo bottles (ones with snap on caps), Ice River, and Glacier. Not for use on glass jugs. To find the T-Dimension, using a caliper or ruler, measure the diameter of the outmost threads at the top of the jug. The resulting millimeter measurement will be the T-Dimension. The size 48mm cap will work for jugs with an 48mm (1.89 inches) T-Dimension, and the size 53mm cap will work for jugs with a 53mm (2.09 inches) T-Dimension.