uxcell Gray Bubble Air Stone Diffuser Fish Tank Aquarium Underwater

Description

Features:Sintered by high temperature. Durable and washable. Different from other air stones. Direction:1. Connect the air stone with air tube. 2. Soak in the water for 15 minutes before use. 3. It is durable and be used for a long time. When it is clogged with dirt or creating bubbles with low quantity, please wash it for re-used. Color: Black, Gray; Stone Size: 50 x 125mm / 1. 97″ x 4. 92″ (D*H) Net Weight: 435g; Material: Mineral, Plastic; Model: NAJ-301 Made of mineral material, it effective