With huge features jammed in a tiny package, the Duetto2 is the perfect ATO for your aquarium. XPAqua’s proprietary dual-optical sensor packs two precise level sensors in one incredibly small...

Peace at Mind Made Simple Featuring a Plug and Play design, Smart Level Security automatically detects the water level status when mounted. Magnetically-coupled sensor makes it easy to...

Automatic Shut-Off Float Kit w/ ASO Valve, Float Vae and 1/4in Fittings FEATURES: For use with RO and RODI System - Positive shut-off; completely shuts off all wastand product water Note: Auto...