SD-5P Seal'N'Dry converts systems from open to closed and prevents ingression contaminants from entering oil reservoir, including water vapor, dust, dirt, microbes, pollen, airborne chemicals, and sub-micron particles. It has a 10 in. diameter and comes with HDPE housing with molded supports, 5-gal bladder, desiccant-type dryer, pressure/vacuum relief valves, coalescing filter for relief air, tubing, and adapter fitting.

Inventive Resources Inc., (209) 545-1663,