Combining Dry-Pac Technology with advanced Carbon Filters, the Hill Dry-Pac Pro delivers unparalleled moisture protection for your airgun or cylinder. Designed specifically for the Hill EC-3000 and Evo-310 Electric Air Compressor Pumps, it ensures ultra-clean, dry air even in the most humid environments. With a robust pressure rating of up to 4500 psi (310 Bar), this system is an essential upgrade—especially for users filling steel tanks.