Unicel | 6CH-50 | Cartridge Filter – 50 Sq. Ft., 13-5/16" Length, 1-1/2" MPT Threaded Fitting

The Unicel 6CH-50 Cartridge Filter is a 50-square-foot replacement spa and hot tub filter designed for superior water clarity and long-lasting performance. Crafted from premium pleated polyester media and featuring a 1-1/2" MPT threaded fitting, this filter provides efficient debris capture, balanced water flow, and dependable durability in demanding spa environments.

Key Features

• Genuine Unicel replacement cartridge filter (Model 6CH-50)

• 50 sq. ft. of pleated polyester media for high-capacity filtration

• Measures 6-3/4" diameter x 13-5/16" length

• 1-1/2" MPT (male threaded) bottom fitting for secure installation

• Premium polyester filter media resists chemicals, oils, and wear

• Reinforced center core provides strength under pressure and high flow

• Compatible with many spa and hot tub systems using 50 sq. ft. filters

• Easy to clean and reinstall for long service intervals

• Designed for consistent water flow and optimal filtration efficiency

• Ideal for maintaining clean, clear, and hygienic spa water

Product Overview
The Unicel 6CH-50 Cartridge Filter delivers reliable, high-performance filtration for spas and hot tubs, effectively removing fine debris, oils, and contaminants from the water. Its precision-pleated polyester media maximizes surface area for extended cleaning cycles and efficient water circulation.

Built with a rugged internal core and a durable 1-1/2" MPT threaded connection, the 6CH-50 is engineered to withstand frequent cleaning, high pressure, and exposure to spa chemicals. Easy to install and maintain, this Unicel filter ensures long-lasting clarity and system performance, making it an excellent choice for spa owners who value efficiency, quality, and dependable filtration.