Aquascape Weighted Tubing 3/8-inch x 25-feet for Pond Aerator, Aeration and Plumbing, Black | 61011 Price: $47.99 (as of 02/01/2024 23:51 PST- Details)

SELF-SINKING: Weighted air supply tubing keeps pond airline tubing at the bottom of the pond eliminating the hassle of positioning floating tubing
IMPROVES WATER FEATURE APPEARANCE: Black in color, tubing blends with natural ponds and liners making it virtually unnoticed eliminating the distraction of tubing that can float on pond surface and reduces installation time
DURABLE: Constructed of thick-walled, puncture-resistant, extruded PVC