Lee's 5-1/2 Original Undergravel Filter, 7-1/2-Inch by 15-Inch

Brand Lee's Material Plastic Photo Filter Thread Size 77 Millimeters Coating Description Multi Coating Water Resistance Level Not Water Resistant Product Dimensions 15"L x 7.5"W Made of special quality plastic which resists splitting and cracking Also has optional flow-thru set-up for use with a power head Size: 7 1/2-inch by 15-inch