Replacement Faux Rock Lids for Blue Thumb Skimmer Filters Zeigler Improves dissolved oxygen levels and

Improves dissolved oxygen levels and reduces noxious odors from the pond

EasyPro Brass Fill Valves are ideal for use in skimmers

Contains Aloe Vera to help heal wounds

Please note that especially on the larger sizes of Matala Rolls

Replacement Faux Rock Lids for Blue Thumb Skimmer Filters Zeigler Improves dissolved oxygen levels andReplacement faux rock lids are available for Blue Thumb (formerly PondBuilder) Elite Series Skimmers, Crystal Falls Skimmers, and Serenity Skimmers. Note: these lids have diagonal corners and or trapezoidal shape, so it is not recommended to purchase based on listed dimensions. SKU Compatible with Blue Thumb Product Dimensions LID8 Small Elite Skimmer (8" Weir) Crystal Falls Skimmer (7. 5" Weir) 25" x 18" x 2. 75" LID10 Medium Elite Skimmer (10" Weir)