Leslie's Diatomaceous Earth Pool Filter Powder, All Natural High Grade Filtration, 24 lb Bag, LPM 18783 CONDITION:New Damaged Box Waterproof Gore TEX Invisible Fit Technology: Expandable Design Offers additional Waterproof Gore TEX Invisible Fit Technology: Keeps feet dry and comfortable in wet conditions while maintaining breathability and flexibility 36X Total Zoom with 12X Optical Zoom: Provides detailed close ups and flexible framing options to focus on speakers or presentation materials it ensures your pool water remains clean and sparkling with less maintenance The powder features low dust content for easier handling and reduced waste during application