WSD Approved
93T
HANDY
Siamp (Vietnam) "HANDY" 1/2" extractable and extendable bottom inlet valve fitting
45P
OPTIMA
SIAMP (Monaco brand) "OPTIMA" watercloset dual flush drop valve (HKWA Approved)
OPTIMA 49
SIAMP (Monaco brand) "OPTIMA" plastic watercloset dual flush drop valve (HKWA Approved)