Atlantic Water Gardens FilterFalls Filter Mats Item:MA2820 These airstones produce finer bubbles

These airstones produce finer bubbles for increased aeration efficiency with no increase in pressure

1800 grit (#R72018)

Madison Style - Square lattice

including Flukes

All brushes measure 4" diameter

Atlantic Water Gardens FilterFalls Filter Mats Item:MA2820 These airstones produce finer bubblesColor may vary Atlantic Water Gardens filter mats are available for various sizes of the FilterFalls waterfall filters. SKU Shape Description Fits FilterFalls MT1250 D Shaped 14. 75" x 13 x 1. 75 BF1250 MT1600 D Shaped 16" x 12" x 1. 75" BF1600 MT1900 Octagonal 19. 5" x 16. 5" x 1. 75" BF1900 MT2600 Octagonal 25. 5" x 16. 5" x 1. 5" BF2600 MT3800 Octagonal 37. 75" x 22. 25" x 1. 75" BF3800 MA2820 Bulk Roll 28" x 20' x 2" Thick