What is the Darlly replacement for Unicel C-8412?

Darlly 81202 replaces Unicel C-8412. Both are 8-15/16" in diameter and about 23-5/16" long.

What Darlly cartridge replaces Pleatco PA120?

Darlly 81202 replaces Pleatco PA120, which Pleatco now sells as ULTRA-B2.

What size is Darlly 81202?

Darlly 81202 is 8-15/16" in outside diameter and 23-5/16" long, with 120 sq ft of filter area.

Darlly 81202 Pool Filter Cartridge

Replaces Unicel C-8412 · Pleatco PA120 (now ULTRA-B2) · Filbur FC-1293

Darlly 81202 is a 120 sq ft pool filter cartridge, 8-15/16" x 23-5/16". It fits the Hayward Star-Clear Plus C1200 and the Waterway Clearwater II 125 and Pro-Clean 125 with the 23-5/16" cartridge (817-0125N). It replaces Unicel C-8412, Pleatco PA120 (now ULTRA-B2), Filbur FC-1293, Hayward CX1200RE and Waterway 817-0125N.

Specifications

Darlly part number	81202
Outside diameter	8-15/16"
Length	23-5/16"
Top end cap	4" Open w/ molded gasket
Bottom end cap	4" Open w/ molded gasket
Filter area	120 sq ft
Type	Pool
Darlly description	Hayward CX1200RE; Waterway Clearwater II 125 and Pro-Clean 125 with the 23-5/16" cartridge (817-0125N)

Cross-reference

Brand	Part numbers Darlly 81202 replaces
Unicel	C-8412
Pleatco	PA120 (now ULTRA-B2), ULTRA-B2
Filbur	FC-1293
Hurricane (former brand)	HF8412-01
OEM and other numbers	Hayward CX1200RE, Waterway 817-0125N

Filters it fits

Filter	Cartridges per filter	OEM cartridge number
Hayward Star-Clear Plus C1200 (120 sq ft filter)	1	CX1200RE
Waterway Clearwater II 125; Pro-Clean 125 with the 23-5/16" cartridge (817-0125N) (125 sq ft filter)	1	817-0125N

Pro-Clean 125 shipped with two cartridge lengths. Measure yours: 23-5/16" takes 81202, 28-3/16" takes 81253.

Other Darlly cartridges the same size

Same diameter and length. Check the end caps and area before swapping.

Darlly 81007100 sq ft · Jandy CS100 Darlly 81502150 sq ft · Jandy CS150 Darlly 81505150 sq ft · Hayward X-Stream CC1500 Darlly 82001200 sq ft · Waterway Clearwater II 200 Darlly 81757175 sq ft · Hayward X Stream CC1750RE Darlly 81758175 sq ft · Waterway Clearwater II

Questions

What is the Darlly replacement for Unicel C-8412?: Darlly 81202 replaces Unicel C-8412. Both are 8-15/16" in diameter and about 23-5/16" long.
What Darlly cartridge replaces Pleatco PA120?: Darlly 81202 replaces Pleatco PA120, which Pleatco now sells as ULTRA-B2.
What size is Darlly 81202?: Darlly 81202 is 8-15/16" in outside diameter and 23-5/16" long, with 120 sq ft of filter area.

Where to buy Darlly 81202

Pool and spa businesses in Florida, Georgia, South Carolina, Alabama, Mississippi, Louisiana and Texas order through their Grit Game rep. Everywhere else, contact Darlly Filtration directly.

Find your Grit Game rep Contact Darlly Darlly 81202 on darllyfilter.com

Cross-reference checked October 21, 2026 against Unicel's 2026 Replacement Guide, Pleatco's catalog (updated September 2025), filbur.com and darllyfilter.com. A competitor number is listed only when that brand's own data pairs it with the same cartridge size. Always compare the size and end caps of your old cartridge before ordering.

Brand names and part numbers are trademarks of their respective owners and are shown only to identify compatible replacements. Darlly Filtration is not affiliated with or endorsed by them. Cross-reference by The Grit Game, Darlly's sales agency.