Spa Filter Cartridge Replacement for Avenli Inflatable Spa

A dirty filter cartridge can contaminate the spa water and cause damage to the heating function of the spa. Keep your spa refreshed and cartridge clean with this replacement cartridge! This cartridge can be used for our 4-person inflatable spas which can be found here.

Features:

• Measures 4.125" W x 3.18" H 
• Inside hole measures 2.31"
• 150 pleat construction
• High water flow design 
• Easy install