What is the Darlly replacement for Unicel C-8499?

Darlly 81006 replaces Unicel C-8499. Both are 8-15/16" in diameter and about 19-11/16" long.

What size is Darlly 81006?

Darlly 81006 is 8-15/16" in outside diameter and 19-11/16" long, with 100 sq ft of filter area.

Darlly 81006 Pool Filter Cartridge

Replaces Unicel C-8499

Darlly 81006 is a 100 sq ft pool filter cartridge, 8-15/16" x 19-11/16". It replaces Unicel C-8499.

Specifications

Darlly part number	81006
Outside diameter	8-15/16"
Length	19-11/16"
Top end cap	3-3/4" Open
Bottom end cap	3-3/4" Open
Filter area	100 sq ft
Type	Pool
Darlly description	Astral 2510 CE Terra

Cross-reference

Brand	Part numbers Darlly 81006 replaces
Unicel	C-8499

Older or other numbers that also point to this cartridge (not confirmed by a second source): PAST100 (Pleatco), FC-0902 (Filbur).

Questions

What is the Darlly replacement for Unicel C-8499?: Darlly 81006 replaces Unicel C-8499. Both are 8-15/16" in diameter and about 19-11/16" long.
What size is Darlly 81006?: Darlly 81006 is 8-15/16" in outside diameter and 19-11/16" long, with 100 sq ft of filter area.

Where to buy Darlly 81006

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 81006 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.