US: 1 (800) 913-0054

Worldwide: 1 (909) 483-1709

M-F 7:30AM - 4:00PM PST


ASPT has been designing and manufacturing Air Showers and Pass Thrus for the cleanroom and contamination control industry worldwide for over 40 years. LEARN MORE


We offer a large selection of sizes, construction materials and options at competitive prices while providing performance and value.
Industries Served
Food Processing
Paint Facilities
Air Showers Pass Thrus

Remove contaminate off personnel and equipment as they enter a clean environment or exit a contaminated environment. Air Showers also create a protective barrier between the clean and contaminated areas. LEARN MORE

Are used as a means of moving parts and/or materials from a non-controlled environment to a cleanroom environment. The SP model is a wall mounted pass thru, the CT and AL models are floor mounted pass thrus - all are used for controlling cross contamination between two zones. LEARN MORE