POLINI DUAL-LAYER FOAM AIR FILTER
VESPA ET4 50/125/150 • PIAGGIO SKIPPER 125/150
Premium replacement air filter from Polini, designed for select Vespa ET4 and Piaggio scooters using the factory airbox.
Features dual-layer, self-extinguishing polyurethane foam for effective air filtration while helping protect your engine from dirt, dust, and premature wear.
KEY FEATURES

Dual-layer foam filtration system
Black outer layer (30 PPI) captures larger dust particles
Blue inner layer (60 PPI) traps finer dust particles
Polini hot-forming process bonds both layers without compromising filtration
Self-extinguishing polyurethane foam construction
Direct fit for original factory airbox
No modifications required
PRODUCT SPECIFICATIONS
Brand: Polini
SKU: 1300-1137
Type: Dual-Layer Foam Air Filter
Material: Polyurethane Foam
Outer Foam: Black / 30 PPI
Inner Foam: Blue / 60 PPI
Dimensions: 8.5" L × 7.5" W × 1" H
Quantity: 1 Air Filter
VEHICLE COMPATIBILITY
Vespa ET4 50cc 4T AC (ZAPC260/261) — 1998–2002
Vespa ET4 Leader 125/150cc 4T AC (ZAPM19000) — 2000–2005
Piaggio Skipper ST 125cc 4T AC Leader — 2000–2005
Piaggio Skipper 150cc 4T AC (ZAPM2100) — 2000
IMPORTANT NOTES
Designed for compatible original factory airboxes.
Verify your scooter model, engine code, and existing filter dimensions before ordering.
Not a universal fit for all Vespa or Piaggio models.
Follow Polini's recommended filter maintenance and oiling instructions.
PACKAGE INCLUDES
1 × Polini Dual-Layer Foam Air Filter
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