Check the listing for details. 3/16" Aquarium Rigid Plastic Airline Tubing. Condition: New. Listed at 6.94 USD. Description; This standard 3/16” OD clear, rigid plastic tubing is high impact strength with low moisture absorption and resistant to ultraviolet rays. It is Ideal for all your aquarium, aquaculture, and brewery needs. Capable of push connecting to standard flexible aquarium airline tubing to form a tight seal. Can be cut to any length with a razor and safely used to fabricate custom projects or replacement uplift air tubes for aquariums, ponds, or pools. Specifications; Outside Diameter (OD) 3/16" / 4.7 mm Inside Diameter (ID) 7/64" / 2.7 mm Wall Thickness 1/25" / 1 mm We can make tubing of any size and offer discounts on larger quantities. Contact us for details. Lengths are nominal. (to within ¼”)**Shipping - All orders up to 41 inches in length will be packaged and shipped in straight lengths. Exception; Any orders 42 inches or longer lengths will be packaged and shipped by default coiled in an envelope. Special Shipping Request; If you wish to have lengths over 42 inches sent in straight packaging, the buyer must contact the seller to make such a request in advance of placing the order. In such cases we will make an offer/quote on additional shipping cost for the said longer lengths. Return request because of the buyer's failure to make this request in advance of order will not be accepted.