Lee’s Ultimate GravelVac Super Pump – A replacement faucet pump component for the Ultimate GravelVac system. This venturi-style pump connects to your tap and generates the suction needed to draw water through the gravel vacuum. Made of durable plastic, it fits standard faucet adapters and significantly speeds up tank draining and refilling. Use it to restore the performance of your Ultimate GravelVac or as an upgrade to compatible water change systems.