Toilet tank discharge device
Toilet tank flush control system
Toilet tank having a two-stage flushing device
Toilet tank trip lever assembly
Toilet valve assembly
Toilet valve assembly
Toilet valve assembly
Toilet with dual volume flush
Toilet with selective volume flush
Toilet with two flush modalities
Toilet-blow flush system and devices therefor
Toilet-bowl flush system and devices therefor
Toilet-tank discharge valve
Toilet-tank discharge valve
Two position float arm
Two stage flapper valve for fluid reservoirs
Two stage flush valve assembly
Two variable flush gate for lavatory reservoir
Two-level flush valve
Two-level toilet flush system