The GRACO HE80-0591 QUANTM h80 is a 1.5" Tri-clamp, PH (Pharmaceutical) Stainless Steel (SST) electric diaphragm pump designed for reliable, energy-efficient fluid transfer in hygienic and pharmaceutical applications. It features a FEP-coated aluminum center, stainless steel seat, and sanitary diaphragm, making it suitable for demanding environments where cleanliness and durability are critical.