POLINI High Performance Double Layer Sponge Air Filter for VESPA Granturismo 200 GTS 250 300 GTV 250 300 ABS Sei Giorni & PIAGGIO MP3 250 Replacement for OEM 831997, 8319970P, Part# P2030138, 203.0138

High Performance Air Filter For VESPA - Granturismo 200 '05-'09, GTS 250 GTS 250 Super '06-'10, GTS 300 GTS 300 Super '10-'20 (all variants) High Performance Air Filter For VESPA - GTV 250 '07-'10, GTV 300 '10-'20 (including ABS & Sei Giorni variants) & PIAGGIO MP3 250 '07-'11 POLINI Double Sponge Air Filter - have two layers, the first outter black layer has medium sized pores(30 pores per inch) to filter rough dust particles. The second layer light blue has very small pores(60 pores per inch) that can also filter dust particles of microscopically small size - it’s these that cause the major damages. Increases Engine Performance - thanks to filtering and purifying the air perfectly the fuel-air mixture is being optimized thus the engine performance will increase Better Air Flow - Improves air flow during the intake phase, thanks to waved external surface it offers greater air flow during the entrance phase, retaining 50% more dust particles, perfect replacement for OEM 831997, 8319970P, POLINI Original Part# 203.0138 imported from Italy