Colour:Green<br> Size:Inner Dia 17.6mm<br> Quantity:1<br> batteries required:No<br> Batteries Included:No<br> Item Weight:28 g<br> Specification:<br> Condition:100% new<br> Material: Plastic<br> Color: White / Green(Optional)<br> Inner diameter for S: 1.46cm / 0.57in<br> Inner diameter for L: 1.76cm / 0.69in<br> <br> Package List:<br> 4* Clamp<br> 4* Suction Cup<br> <br> Notice:<br> Please allow 1-3cm error due to manual measurement and make sure you do not mind before ordering.<br> Please understand that colors may exist chromatic aberration as the different placement of pictures.<br> NoteMake sure to keep both suction cups and glass surface clean and dry. Replace the old and worn down suction cups timely.<br> Durable Plastic MaterialMade of high quality plastic material, high hardness, not easy aging, very durable.<br> AdjustableEach suction is used with one clip. You can easily adjust shape and position of air tubing.<br> ApplicationPerfect for both salt and fresh water fish tank, aquarium and any glass or stainless steel surface.<br> Fit forInner diameter 14.6mm is suitable for tube whose diameter is 15-18mm and inner diameter 17.6mm fit for 18-24mm tube.<br> See more product details<br> NoteMake sure to keep both suction cups and glass surface clean and dry. Replace the old and worn down suction cups timely.<br> Durable Plastic MaterialMade of high quality plastic material, high hardness, not easy aging, very durable.<br> AdjustableEach suction is used with one clip. You can easily adjust shape and position of air tubing.<br> ApplicationPerfect for both salt and fresh water fish tank, aquarium and any glass or stainless steel surface.<br> Fit forInner diameter 14.6mm is suitable for tube whose diameter is 15-18mm and inner diameter 17.6mm fit for 18-24mm tube.