Image courtesy of the R. Calabrese Agency.

A recently sold Waterbury manufacturing building has landed its first tenant.

Koslow Technologies, a worldwide leader in water filtration products, will take 15,000 square feet in the 45,000-square-foot building at 137 Mattatuck Heights.

Since being sold to its current investor owner, the building is being converted to a multitenant space, with 30,000 square feet still available..

Bob Bowden and Ralph Calabrese of the R. Calabrese Agency represented the landlord and Giglio Commercial Real Estate represented the tenant.