Don't Settle! At Guardian Filtration Products, we don't. We know you have choices when shopping for pool and spa filter cartridges and maintenance parts. Our goal is to provide the highest quality products at the best prices. We are an American company based in Greenville, PA and have been here since 2003. We manufacture direct replacements for popular brands and sizes in the pool/spa filtration and maintenance parts. This Nuts is designed to be a direct replacement for the following parts: ED15 nut mender 2pk lld15; ld15p; ld02 The dimensions are: Height: 1.00 Width/Diameter: 1.00 Length/Diameter: 2.00