Details Description Details & Specs Description Water changes are a SNAP with Lee’s New Squeeze-Bulb Ultra GravelVac! The Squeeze-bulb is so efficient, that siphoning is easy no matter what the level of water in the aquarium. SPECIAL FEATURES: A strainer protects precious fish and plants from harm during the water-changes. In addition to the standard features, the #11545 is equiped with an Easy On/OFF water control valve. Model: 11545