Anti-Siphon : Yes Adjustable : Yes Dimensions : 10-3/8 In L X 4-1/4 In W X 2-3/8 In H Body Material : Plastic Color : Black Suitable For : All Brands And Most 2-Piece And 1-Piece Toilets Includes : (1) Cone Washer, (1) Coupling Nut, (1) Metal Refill Tube Clip, (1) Mounting Nut, (1) Refill Tube, (1) Tamperproof Key