What Darlly cartridge replaces Pleatco PBF40?

Darlly 70361 replaces Pleatco PBF40.

What size is Darlly 70361?

Darlly 70361 is 7-7/8" in outside diameter and 6-1/4" long, with 32 sq ft of filter area.

Darlly 70361 Spa Filter Cartridge

Replaces Pleatco PBF40

Diameter × length: 7-7/8" × 6-1/4"
Filter area: 32 sq ft
Per filter: 1 cartridge

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.

Darlly 70361 is a 32 sq ft spa filter cartridge, 7-7/8" x 6-1/4". It fits the Bullfrog 30 coreless (2017 and later). It replaces Pleatco PBF40 and Bullfrog 10-00282.

Specifications

Darlly part number	70361
Outside diameter	7-7/8"
Length	6-1/4"
Filter area	32 sq ft
Type	Spa
Blue antimicrobial version	70361M
Darlly description	Bullfrog Coreless Filter 10-00282

Cross-reference

Brand	Part numbers Darlly 70361 replaces
Pleatco	PBF40
OEM and other numbers	Bullfrog 10-00282

Older or other numbers that also point to this cartridge (not confirmed by a second source): FC-9960 (Filbur).

Filters it fits

Filter	Cartridges per filter	OEM cartridge number
Bullfrog 30 coreless (2017 and later) (32 sq ft filter)	1	10-00282

Other Darlly cartridges the same size

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

Darlly 70361M-2PK32 sq ft · Bullfrog Coreless Filter 10-00282

Questions

What Darlly cartridge replaces Pleatco PBF40?: Darlly 70361 replaces Pleatco PBF40.
What size is Darlly 70361?: Darlly 70361 is 7-7/8" in outside diameter and 6-1/4" long, with 32 sq ft of filter area.

Where to buy Darlly 70361

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

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.