Volcano Drain

The Volcano drain is the most versatile drain on the market with its ability to fit in 4", 3", 2", & 1.5" drain openings. Simply cut a 4" hole in a sump cover & install the Volcano Drain for an airtight seal that doubles as an access port. The recessed lip design helps to collect multiple drain lines & the grill on top can be removed for cleaning as needed. Designed by radon professionals, the Volcano Drain is the most versatile floor drain on the market! - 4", 3", 2", 1-1/2" all in one - No caulk sump install (becomes 4" access port) - Recessed lip to collect multiple drain lines - Shallow depth 2-1/4" (1-3/4" when reduced to smaller diameter) - No vacuum loss - Made in USA