1 Liter Plastic Bottle w/Quick Switch Heavy wall construction, safely operated at normal water system pressure High Density Polyethylene (HDPE) is compatible w/ coolant liquids used in dentistry Can be used on most Dental Systems (w/ the Universal Manifold 8134 or 8119) Bottle dimensions: (750-ml, 3" W x 9 1/2" H) (1-liter, 3 1/2"W x 11" H) (2-liter, 4" W x 13 7/8" H) Standard 28 mm threads Washer now included!