What is the Darlly replacement for Unicel C-4349?

Darlly 40507 replaces Unicel C-4349. Both are 4-15/16" in diameter and about 17-3/8" long.

What Darlly cartridge replaces Pleatco PAE50?

Darlly 40507 replaces Pleatco PAE50.

What size is Darlly 40507?

Darlly 40507 is 4-15/16" in outside diameter and 17-3/8" long, with 50 sq ft of filter area.

Darlly 40507 Filter Cartridge

Replaces Unicel C-4349 · Pleatco PAE50 (discontinued) · Filbur FC-6310

Darlly 40507 is a 50 sq ft filter cartridge, 4-15/16" x 17-3/8". It replaces Unicel C-4349, Pleatco PAE50 (discontinued) and Filbur FC-6310.

Specifications

Darlly part number	40507
Outside diameter	4-15/16"
Length	17-3/8"
Top end cap	2-1/8" Open
Bottom end cap	2-1/8" Open
Filter area	50 sq ft
Darlly description	Advantage Electric

Cross-reference

Brand	Part numbers Darlly 40507 replaces
Unicel	C-4349
Pleatco	PAE50 (discontinued)
Filbur	FC-6310

Other Darlly cartridges the same size

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

Darlly 4040840 sq ft · Advance Electric 50

Questions

What is the Darlly replacement for Unicel C-4349?: Darlly 40507 replaces Unicel C-4349. Both are 4-15/16" in diameter and about 17-3/8" long.
What Darlly cartridge replaces Pleatco PAE50?: Darlly 40507 replaces Pleatco PAE50.
What size is Darlly 40507?: Darlly 40507 is 4-15/16" in outside diameter and 17-3/8" long, with 50 sq ft of filter area.

Where to buy Darlly 40507

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 40507 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.