Marina airline tubing is safe and dependable for use with air stones, air-actuated ornaments and air-driven filters. Designed to fit all standard outlets, the tubing will remain supple and retain its shape. Size: 6
Biorb MCR light large grey, 15 from sunrise to daylight 7.5 hours of daylight, 15 minutes sunset to night light. This cycle can also be set in the same manner for 10, 12, and 14 hours