4-Pack of Filbur FC-1003 30 sq.ft. old-style cynlinder hot tub spa filters is compatible with Master spa filters,C-7330, PMA30-2002-R spa filter models. This hot tub filter by Filbur comes in this money-saving bulk 4-pack and is made with strong, reinforced cores, antimicrobial end caps and high quality polyester filter media to ensure durability, cleanability and high efficient filter performance.

The dimensions of this 30 sq.ft. spa filter are:

• Diameter: 7"
• Length: 7-1/4"
• Top: 4"
• Bottom: 4"