New in org. box Cepex by Hayward model CPX24302 4 inch PVC slip fit spring ball check valve. No threads!!! Type EPDM 150 PSI !!! Comes with strainer attachment!!! See pictures!!! Make offer !!! See our other listing for the threaded type!!!. Being sold as is NO RETURNS!!!! Buy pay shipping costs, we only ship UPS No PO boxes. No returns accepted. Email your questions. We ship same day if paid by 4:00 eastern time. Choose faster shipping at checkout if needed!!!