Atlantic’s Tubing is made fo the highest quality materials for a long, trouble-free service life. Thick-walled Weighted Tubing sinks without the inconvenience of adding weights to keep tubing from floating. The high density PVC formulation remains flexible in a wide range of temperatures. Nickel-plated insert fittings, supplied with every roll, make connecting Weighted Tubing of different lengths simple and secure. The TPT38100 is sized at 0.375” x 100’ Weighted Tubing and weighs 20lbs. It has a 5-year warranty and includes a 0.375” insert coupling.