11 Filter housings, filter bags, filter cartridges, filter baskets and filter elements, all for the handling, treatment, and processing of liquids and fluids in industrial, commercial and environmental uses; Gas and liquid separators, coalescers, exhaust heads, drains, traps all for the handling, treatment and processing of air, gas and steam in industrial, commercial and environmental uses; Pipeline strainers, namely, simplex and duplex basket strainers, automatic self-cleaning strainers, temporary type strainers, Y type strainers, T type strainers; strainer baskets, strainer screens, strainer elements, all for the processing of liquids and fluids in industrial, commercial and environmental uses