Service (Worst contaminants in air stream never reach filter media. The balance only encounters bottom of media bed) Tool-less Element Change -Easy clamp ring retainer for bowl...Why RTi? Home Why RTi? Product Line Literature Newsletter Contact Us! Reading Technologies, Inc. Advanced Air System Technology Call us! (800) 521-9200 Click here for our... separation (95% of condensed water never sees media) -Superior water separation -Depth Filtration (Air penetrates 4" of filter media versus 1/8" of competitors) -Harsh Application...