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: 3 m
This Polystyrene Rack Are Excellent Space Savers And Can Act As An Extra Pair Of Hands In The Lab, There Are 6 Holes To Hold Tubes, As Well As 6 Pins For Letting The Tubes Dry, Fits Test Tubes Up To 16Mm In Diameter, 6-Pin, Size: 6-Hole