GROCO Series Hand Operated Marine Toilet HF. HF Series Hand Operated Marine Toilet Specifications for GROCO HF Series Hand Operated Marine Toilet: Manufacturer: GROCO Color: White Features of GROCO HF Series Hand Operated Marine Toilet Sturdy bronze base for rough water use T-Handle for ease of operation High-efficiency valve system uses minimal flush water Weighs 32 pounds No Assembly required Package Contents: GROCO HF Series Hand Operated Marine Toilet GROCO HF-B: Series Hand Operated Marine Toilet HF