What is the Darlly replacement for Unicel C-9699?

Darlly 91003 replaces Unicel C-9699. Both are 9-15/16" in diameter and about 19-7/8" long.

What Darlly cartridge replaces Pleatco PJ100?

Darlly 91003 replaces Pleatco PJ100, which Pleatco now sells as ULTRA-C13.

What size is Darlly 91003?

Darlly 91003 is 9-15/16" in outside diameter and 19-7/8" long, with 100 sq ft of filter area.

Darlly 91003 Pool Filter Cartridge

Replaces Unicel C-9699 · Pleatco PJ100 (now ULTRA-C13) · Filbur FC-1490

Darlly 91003 is a 100 sq ft pool filter cartridge, 9-15/16" x 19-7/8". It replaces Unicel C-9699, Pleatco PJ100 (now ULTRA-C13) and Filbur FC-1490.

Specifications

Darlly part number	91003
Outside diameter	9-15/16"
Length	19-7/8"
Top end cap	5-13/16" Open
Bottom end cap	6-1/16" Open
Filter area	100 sq ft
Type	Pool
Darlly description	Jacuzzi CFR-100

Cross-reference

Brand	Part numbers Darlly 91003 replaces
Unicel	C-9699
Pleatco	PJ100 (now ULTRA-C13), ULTRA-C13
Filbur	FC-1490
Hurricane (former brand)	HF9699-01

Older or other numbers that also point to this cartridge (not confirmed by a second source): PJ100-4 (Pleatco).

Questions

What is the Darlly replacement for Unicel C-9699?: Darlly 91003 replaces Unicel C-9699. Both are 9-15/16" in diameter and about 19-7/8" long.
What Darlly cartridge replaces Pleatco PJ100?: Darlly 91003 replaces Pleatco PJ100, which Pleatco now sells as ULTRA-C13.
What size is Darlly 91003?: Darlly 91003 is 9-15/16" in outside diameter and 19-7/8" long, with 100 sq ft of filter area.

Where to buy Darlly 91003

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 91003 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.