8 1/2top cap inside diameter:

31114 spa filter. Discount spa parts & accessories since 1997. Watkins #31114 spa filter 65 sq. Built specifically for hotspring spas fitted with the frehswater iii.

Filters in hot spring spas and any systems that needs 8 1/2 inch (diameter) by 10 1/2 inch (length) filters. Sales & service of hot spring spa pools since 1990. Dimension one spa filter cartridge 75.

Are the industry's best made filters. The above filter is available with 3 oz/yd antimicrobial filtration material: 【nsf/ansi 50 certified】 yunda pool and spa filter is.

Quality clarathon antimicrobial hot tub filters for hot spring, hot spot, caldera, limelight spas. Enlarged filtration area improves dirt holding. Regular price $ 54.00 shipping calculated at checkout.

【filtration effect > 95%】 yunda pool and spa filter is made with advanced trilobal fabric. Look for code no 31114 on the filter end cap. Also available in antimicrobial version:

65 square feet (per cartridge)filter length: The hotspring® 31114 filter cartridge is a replacement spa filter for 65 sq. Free shipping to the usa, uk, europe, and canada on all.