I-FRP septic tank isho ithuluzi elisetshenziswa ngokukhethekile ukwelapha indle yasekhaya, elenziwe nge-synthetic resin njengento eyisisekelo futhi liqiniswe nge-fiberglass.Ithangi le-FRP septic lilungele kakhulu okokusebenza kokuhlanza indle ezindlini ezindaweni zokuhlala zamabhizinisi ezimboni nasezindaweni zokuhlala zasemadolobheni.