Pack of (2). Fits Lifesmart Grandmaster, Jewel, Hydromaster, Simplicity Spas
Diameter: 5-3/8" - 50 square foot filtration media
Length from end cap to end cap (excluding threaded fitting): 9-5/8"
Top: Closed with string pull - Bottom: Threaded
Guaranteed to equal or outperform OEM filters that came with your spa
Pack of (2) filters. Clarathon Premium Ultra Filters are the most effective, durable hot tub spa filter cartridges. You cannot buy better quality filters at any price.