1 inch disc element filters are available online with our everyday low prices and same day shipping. Disc Element Drip Irrigation Filters work well because of their large surface area. This design results in much less required maintenance and a longer life expectancy. Disc filters can be used as the primary filter in your system or it can be used as a secondary filter. Shop Sprinkler Warehouse to find the best deals and the best selection of drip disc filters online Available in several sizes and configurations, there is sure to be one for every need.