Laguna Quartz Sleeve O-Ring for Pressure-Flo Pressurized Filters Reversible argyle raincoat Fits Laguna Pressure-Flo pressurized filter models 700, 1400, 2100, 3200 Provides a tight seal that prevents water from entering the quartz sleeve Includes 2 o-rings per pack Measures 2/7-inch length by 3-1/5-inch width by 6-inch height