Dimension One® Vision Sanitizing Cartridge TWO PACK! filter It is designed to keep

It is designed to keep your spa cleaner by preventing biofilm

Headrest approximately 10 inches across and has two pegs in back

12-1/2" wide 5" tall with 2 mounting pegs 7-1/4" apart

Aladdin 12512 Baleen AK-4021 Darlly 50257 Excel Filters XLS-520 Filbur FC-1320 Filbur FC-1330

which is sold separately

Dimension One® Vision Sanitizing Cartridge TWO PACK! filter It is designed to keepVision Sanitizing System Universal Cartridge A natural alternative to traditional sanitizers, Vision Spa Sanitizing Cartridges give you clean, pure water while avoiding the harsh chemical odors, burning eyes, dry, itchy skin and bleached clothing that are unfortunate by products of traditional Chlorine systems. Using its patented silver catalyst technology, Vision can kill up to 99. 96% of pathogenic bacteria on contact. It is very A natural