Clapet anti-retour à anneau en acier pour siphon de douche de sol, filtre désodorisant en silicone pour tuyau d'évacuation, clapet anti-retour, noyau de canalisation d'égout

This drain backflow preventer features a curved, folded surface that creates multiple barriers, effectively preventing insects, odors, and backflow. Its swirling, pressurized siphon drainage system and wider guide surface ensure faster drainage. Installation is simple; just plug it in. The length can be adjusted without affecting its deodorizing effect.