Multi-Trap® Model IC vacuum inlet/exhaust trap has a stainless steel knock-down stage for collecting heavy solids and can be configured with two banks of 10 replaceable 4-1/2" filter elements or one of five 9-1/2" elements. Available with copper or stainless steel gauze, molecular sieve, activated charcoal, activated aluminum, Sodasorb® and pleated polypropylene filter elements, trap is easily customized. MV Products Div. Mass-Vac, Inc. 247 Rangeway Rd., P.O. Box 359 North Billerica, MA, 01862-0359