Jardin Water Hose Ceramic Air Bubble Stone for Aquarium, 1m Product Name : Water Hose + Air Bubble Stone; Color : White Main Material : Ceramic, Plastic; Hose Size : 100 x 0.5cm/39.4" x 0.19"(L x D) Tube Connect Hole Diameter : 4.65mm/0.183"; Stone Size : 3.7 x 3.5cm/1.5" x 1.4" (H x D) Net Weight : 88g Package : 1 x Water Hose + Air Bubble Stone