The Pentair 194801 2" Bulkhead Replacement Pool and Spa Filter is a high-quality component that will help your pool or spa's filtration system run more efficiently. A safe and leak-free connection between the plumbing system and filter depends on this bulkhead replacement. Made of sturdy plastic, it has a 2" connection size that easily integrates into common filter configurations. In ... https://www.usapoolshop.com/194801-pentair-2-bulkhead-replacement-pool-and-spa-filter