The Liquid Line Sealed Model Filter-driers - Sporlan Catch-All® Series provide unparalleled control of the most harmful contaminants in HVAC&R systems. Moisture, acids, and solid debris are effectively captured to ensure the long life, efficiency, and capacity of today’s high performance air-conditioning and refrigeration systems. With multiple sizes and fitting configurations, it is easy to find the right model for systems up to 20 tons.