The product is true seal male connector fitting with EPDM seal, Acetyl, 1/2 inch push-to-connect tube x 1/2 inch male NPTF, Gray. It features gripping teeth available in stainless steel or with and engineered thermoplastic Bite edge, engineered O-Ring increases seal compression on tube, FDA compliant, all fittings are NSF-51 listed, push button release.