What is the Darlly replacement for Unicel PG-1903?

Darlly DG-0918 replaces Unicel PG-1903.

Darlly DG-0918 Pool D.E. Filter Grid

Replaces Unicel PG-1903 · Filbur FC-9430

Darlly DG-0918 is a pool D.E. filter grid, 9-3/4" x 18". It replaces Unicel PG-1903 and Filbur FC-9430.

Specifications

Darlly part number	DG-0918
Grid size (width x height)	9-3/4" x 18"
Type	Pool
Product	Pool D.E. filter grid
Grid	Partial grid
Complete set	Darlly DGS-1118: 7 full grids (Darlly DG-1118) and 1 partial grid (this grid)
Darlly description	D.E. grid: 36 sq ft American, Pac-Fab, Hayward, Astral, Waterway

Cross-reference

Brand	Part numbers Darlly DG-0918 replaces
Unicel	PG-1903
Filbur	FC-9430

Older or other numbers that also point to this D.E. grid (not confirmed by a second source): PHG-1836 (Pleatco).

The complete grid set

Darlly DGS-1118Complete set: 7 full grids and 1 partial grid

Questions

What is the Darlly replacement for Unicel PG-1903?: Darlly DG-0918 replaces Unicel PG-1903.

Where to buy Darlly DG-0918

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.