OdorGuard® (OG) pleated filters use the next generation of CarbonWeb® filter media. OG medium-duty filters have an integrated pre-filter and are offered with granular carbon loadings of 200 grams per square foot (2,150 grams per square meter) of filter area in a 2-inch-thick filter and 100 grams per square foot (1,075 grams per square meter) of filter area in a 1-inch-thick filter. OG light-duty filters are available, too. The company says that the filters are extremely clean and will not shed or dust while installed. Pleated filters and pleat packs are available in standard and in special sizes.

D-Mark Inc., 25712 D’Hondt Ct., Chesterfield, MI 48051-2600; 800-343-3610 or 586-949-3610; 586-949-4181 (fax); dmark@bignet.net; www.dmarkinc.com.

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