The Filbur FC-3111 is a compatible replacement for the following water filters:

• Duroc
• Pleatco PH3-4/-PAIR

The Filbur FC-3111 Duroc Pool & Spa Filter is a replacement pool and spa water filter cartridge built with reinforced PVC center cores to protect the cartridge against cracks and collapse. This Filbur pool filter's polyester media has sharp pleat folds that trap particles from swimming pool and spa water. This compatible Duroc filter fights the growth of bacteria and mold through antimicrobial end caps that are also reinforced for additional strength.

Filbur FC-3111 Duroc Pool & Spa Filter specifications:

• Weight: 4 oz.
• Area: 3 sq. ft.
• Part number FC-3111
• Top/bottom style: 1 1/16"
• Dimensions: 2 3/4" x 4 7/8"