The Aquascape Pondless Waterfall Vault was designed to integrate with the AquaBlox making installation a snap. The Pondless Waterfall Vault Extension slides onto the Pondless Waterfall Vault increasing the height for deeper basins using the Large AquaBlox.
The Aquascape Pondless Waterfall Vault Extension is ideal for use with the Aquascape Pondless Waterfall Vault. Designed to slide directly onto the Waterfall Vault, the Vault Extension increases the height of the vault, making it perfectly sized to meet the needs of a variety of projects. Its durable, rotationally-molded, rounded polyethylene shape maximizes structural strength of the extension. The Aquascape Pondless Waterfall Vaults extended height allows for deeper basins using the Large AquaBlox and applications using larger/taller pumps with 3-inch plumbing, ensuring a good fit for the pump.
Everything was great, the extension was exactly what I needed.