ITEM NAME:Aquarium Tank Aeration Green Plastic Casing Bubble Air Stone 12" B2U2 Aquarium Tank Aeration Green Plastic Casing Bubble Air Stone 12" B2U2 Product Name : Aquarium Air Stone;Material : Mineral, PVC Plastic Color : Green, Blue;Overall Size : 30 x 2.2 x 1.2cm/12" x 0.86" x 0.47"(L*W*H) Hole Diameter : 2.9mm/0.114" (Inside), 6mm/0.23"(Max.Outside) Net Weight : 86g Air stones allow the aquarist to create beautiful walls of bubbles that not only look good, but also help aerate and circulate the water. Package Content : 1 x Aquarium Bubble Air Stone Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
