Home / Honda / ATC250R / Intake / Uni Foam Filter Uni Foam Filter$49.95 Uni foam filter. Uni Foam Filter quantity Add to cart Categories: ATC250R, Honda, Intake, Intake, TRX250R Description Description Uni foam filter. Related products HondaTransmission & Clutch TRX250R Transmission Bushing Kit For 87-89 TRX250R. EngineHonda TRX250R Water Pump Mechanical Seal Water pump mechanical seal. HondaTransmission & Clutch Hinson CR125 Fiber Clutch Plates Individual Plates sold individually. ExhaustHonda TRX250R Big Bore Pipe 350D LED 350D exhaust. For use with motor sizes of 330-390 For cross country, MX and trail riding applications. Price is for the pipe only.