1) All dimensions are measured by hand, there may be small deviations.
2) Color may vary slightly due to the color setting of each individual monitor.
Product dimension
Feature:
1) 100% new and high quality material, durable and pliable, will not harden.
2) Environment friendly, free of toxic compounds and cadmium.
3) 4mm size fits most standard aquarium air pumps and air stones.
4) The wall thickness of 1mm, can bear higher pressure in a deep water aquarium or CO2 system.
5) Used for Hydroponics, aquarium, pond, etc.