uxcell 41" Fish Tank Aquarium Air Wall Curtain Bubble Diffuser Hose Tubing 105cm Pattern Name: 41"; Package content: 1 x Air Curtain bubble Total size: 105cm x 1cm/41" x 0.4"(L*d); color: Black Material: rubber; product Name: Air Curtain bubble Net weight: 132g Air hole Dia: inner Dia:2Mm/0.08"; OD:4Mm/0.16"