Hayward SX310N Heavy Duty Clamp Replacement for Hayward Pro and Pro Series Plus Sand Filter<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Heavy duty clamp replacement</li><li>Fits hayward pro series sand filter model s310s</li><li>Also fits pro series plus sand filter models s311sx， s311sxv， s360sx</li><li>Weighs 11-1/2-pound</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41hMzvGjbEL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31vg7l5w4jL.jpg" noproxy>