Model 3501 is a StreetSmart™ single bubbler vandal-resistant pedestal drinking fountain with green powder-coated finish. Pedestal and access door are constructed of corrosion-resistant Type 304 all welded heavy-duty stainless steel. Bowl is integral 3/8" cast stainless steel, which eliminates the possibility of being removed. Recessed chrome-plated push button operates a front adjustable automatic diaphragm pressure regulated valve. Bubbler is chrome-plated low profile forged brass with 3/8" NPS mounting shank with vandalproof locking pins to prevent turning. Waste strainer is designed to allow insertion of a garden hose for top down unobstructed access for waste clean out. Easy maintenance is possible through a large access door (6" x 22") with heavy-duty hinges and 5/16" square key locks. All exposed fasteners are pinned socket type. Ideal for installation in highway rest areas, parks, correctional facilities and other vandal prone locations. Haws manufactures drinking fountains, electric water coolers and electric drinking fountains to be lead-free by all known definitions including ANSI/NSF Standard 61, Section 9, California Proposition 65 and the Federal Safe Drinking Water Act.