What is the Darlly replacement for Unicel FS-2003?

Darlly DGS-1118 replaces Unicel FS-2003.

What Darlly D.E. grid set replaces Pleatco PFS1836?

Darlly DGS-1118 replaces Pleatco PFS1836.

Darlly DGS-1118 Pool D.E. Filter Grid Set

Replaces Unicel FS-2003 · Pleatco PFS1836 · Filbur FC-9530

Darlly DGS-1118 is a complete 36 sq ft pool D.E. filter grid set (7 full grids and 1 partial grid), 11" x 18" grids. It fits the Hayward W3DE3620, DE3620, Pro-Grid DE3600. It replaces Unicel FS-2003, Pleatco PFS1836 and Filbur FC-9530.

Specifications

Darlly part number	DGS-1118
Grid size (width x height)	11" x 18"
For a filter of	36 sq ft
Type	Pool
Product	Pool D.E. filter grid set
In the set	7 full grids (Darlly DG-1118) and 1 partial grid (Darlly DG-0918)
Darlly description	D.E. grid: 36 sq ft 7 FULL+1 PARTIAL (includes 1pc of DG-0918 and 7 pcs of DG-1118)

Cross-reference

Brand	Part numbers Darlly DGS-1118 replaces
Unicel	FS-2003
Pleatco	PFS1836
Filbur	FC-9530

Filters it fits

Filter	Sets per filter
Hayward W3DE3620, DE3620, Pro-Grid DE3600 (36 sq ft filter)	1

DGS numbers are complete sets: 7 full grids + 1 partial. Single grids: DG-11xx (full) and DG-09xx (partial).

Single grids in this set

Darlly DG-11187 in the set · full grid, 11" x 18"Darlly DG-09181 in the set · partial grid, 9-3/4" x 18"

Questions

What is the Darlly replacement for Unicel FS-2003?: Darlly DGS-1118 replaces Unicel FS-2003.
What Darlly D.E. grid set replaces Pleatco PFS1836?: Darlly DGS-1118 replaces Pleatco PFS1836.

Where to buy Darlly DGS-1118

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 grid size. Always compare the width and height of your old grids 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.