NSF Approved Products > Effluent Screens

The following is a list of septic tank effluent filters that have been tested under NSF Standard 46 by NSF International and are approved for use in Texas in accordance with 30 Texas Administrative Code §285.34(a). NSF International can be contacted at 1-800-NSF-MARK.

Bio Weir Filters, Inc.

Norweco, Inc.

Polylok, Inc.

Primer Tech 2000 ITEE

Tuf-Tite, Inc.

Zabel Enviormental Technology

Zoeller Pump Company