The top flange is drilled to accept a standard seat as shown which is not included but can be obtained at your favorite hardware store. This unit will fit a 12 5/8" hole and has a 1 1/2" tail piece below the 16" diameter mounting flange. Be sure there is adequate ventilation to the pit. The Army uses a 4" vent for each toilet and does not use a covered toilet seat and claims the unit is free of flies. With  good ventilation and a standard covered toilet seat, latrines are reported to be  fly free. Extra gaskets or special seats have yet to be required. There have been no reports of fly or odor problems for installations with good pit ventilation. The Army Corps. of Engineers has some of these units in latrines located by their boat ramps and they use a 4" tall vent for each toilet/hopper, have not used seats with covers and report that they are fly free.

18" wide X 46" long with provision for a shelf under which plumbing can be fastened. Faucets can be attached to the back splash protector as long as they are not supported by the sink.

No splash design with full drain sloped bottom The sink has a 2 1/8" hole that will fit a standard 2" sink fitting.(Table not included)

There have been several 24" Urinals in the past. This model has the  original side panels which provide a bit of privacy. The outlet is now a 2-1/8" hole that will take a standard 2" stainless or plastic outlet fixture that can be obtained at your favorite hardware store. Shown is a typical installation with 2x4's supplied by the buyer. 3/16" holes can be drilled into the top flange for mounting. The bottom can be held to the wall by a strap on the outlet piping.