MJ50 Specifications
With Unrivaled Build Quality and a 50 Square Foot Filtration Area, MOAJ MJ50 Cartridges are the Perfect Replacement for South Seas Spas 521L Filters!
Cartridge
Length
13 5/16"
Outside
Diameter
5"
Top Cap
Inside Diameter
2 1/8"
Bottom Cap
Inside Diameter
2 1/8"
Why Choose MOAJ?
MOAJ Filters are stronger, keeping your pool and spa cleaner for longer! We offer the highest quality replacement filter cartridges in the industry, as well as a one-stop shopping experience for all of your pool, spa, and outdoor needs. We stand behind ALL of our products, and always strive for you to save time, save money, and make memories. Experience the difference with MOAJ Filtration!
Dirt-Locking Technology:
Effectively Captures More Contaminants Than Other Filters!
High-Flow Filter Cores:
Add Structural Rigidity While Providing Excellent Flow Rates!
High-Impact End Caps:
Never Crack, Never Warp, & Are Chemical-Resistant!
Prolonged Service Life:
Durable, Washable & Reusable, Saving You Time & Money!
Filtration Levels
MOAJ Replacement Cartridges are Available in 2 Filtration Types to Accommodate Every Budget and Application!
MOAJ Advanced
Replacement CartridgesAffordable
Filtration
EXCELLENT WATER CLARITY
TRILOBAL FABRIC DESIGN
3-4 OUNCE FABRIC WEIGHT
NOT ANTIMICROBIAL
US-BASED SUPPORT
MOAJ Premium
Replacement CartridgesBudget-Friendly
Germ-Resistance
SUPERIOR WATER CLARITY
TRILOBAL FABRIC DESIGN
3-4 OUNCE FABRIC WEIGHT
ANTIMICROBIAL
US-BASED SUPPORT
The Competition's
Replacement CartridgesUnderperforming
& Overpriced
INFERIOR WATER CLARITY
BASIC PLEATED FABRIC
2-3 OUNCE FABRIC WEIGHT
NOT ANTIMICROBIAL
OUTSOURCED SUPPORT
Certifications
MOAJ Filters are Tested & Certified by IAPMO R&T to Surpass NSF & ANSI Standards!
Compatibility
The Following Filters are Cross-Compatible with MOAJ MJ50 Cartridges:
Coleman 3301-2145
Filbur FC-2390
Guardian 413-212-02
Jacuzzi J-200 Series
Jacuzzi J-210
Jacuzzi J-220
Jacuzzi J-235
Jacuzzi J-245
Jacuzzi J-275
Pentair 17-2380
Pentair Dynamic 50
Pentair R173434
Pentair RDC-50
Pentair RTL-50
Pleatco PRB50-IN
Rainbow 17-2380
Rainbow Dynamic 50
Rainbow RTL-50
South Seas Spas 519P
South Seas Spas 521L
South Seas Spas 532L
South Seas Spas 533DL
South Seas Spas 617C
South Seas Spas 627C
South Seas Spas 627M
South Seas Spas 729B
South Seas Spas 729L
South Seas Spas 743D
South Seas Spas 748B
South Seas Spas 748L
South Seas Spas 766D
South Seas Spas 834B
South Seas Spas 834L
South Seas Spas 850B
South Seas Spas 850L
South Seas Spas 853DL
South Seas Spas 860B
South Seas Spas 860L
South Seas Spas 965L
Sundance Spas 6540-471
Sundance Spas Denali 680
Sundance Spas Edison 680
Sundance Spas McKinley 680
Sundance Spas Peyton 680
Sundance Spas Ramona 680
Sundance Spas Tacoma 680
Unicel C-4950
Waterway 817-5000