This air stone is covered with plastic at both ends to make the air stone more durable and prevent it from fraying the Fish tank and Hydroponic container
Clean regularly by a brush as they get clogged after weeks or months of usage. Safe, Washable & Durable material keeps fish healthy and safe.
Fits for 3/16" inner diameter tube.
Sintered at high temperature (1300 ℃), strong and durable, good air dispersion
Size: 1.2" x 3.4"(D x H). Comes with 5 Pcs Grey Cylinder Air Stones.
