BETA FILTER BOX, REV 4T - NOT ASS.

BETA FILTER BOX, REV 4T - NOT ASS. is the genuine Beta OEM genuine spare part (part no. 28.12757.159). It keeps your Beta performing exactly as the factory intended.

Replace it as part of normal maintenance or after wear. Genuine OEM means exact fit, correct materials and no guesswork — and it protects your warranty.