Maybe one of these similar products would be of interest:-

GOOFIT 45mm air filter double foam sponge cleaner red straight mouth replacement for 50cc 70cc 90cc 110cc 125cc motorcycle dirt racing bike go kart ATV quad scooter

GOOFIT 45mm air filter double foam sponge cleaner black straight mouth replacement for 50cc 70cc 90cc 110cc 125cc motorcycle go kart ATV quad scooter dirt racing bike

ZEKICE Motorcycle Dual Foam Layer Sponge Air Cleaner Filter Compatible with YAMAHA YZ125 YZ250 WR250F YZ250F WR YZ 250 400 426 450 F 250F 400F 426F

Knadgbft Motorcycle Dual Foam Layer Sponge Air Cleaner Filter for YZ125 YZ250 WR250F YZ250F WR 400 250F 400F 426F

Muc-Off Air Filter Cleaner, 1 Litre - Motorcycle Cleaner and Degreaser for Foam Air Filters - Motorbike Cleaner for Motocross, MX, Dirt Bikes