Ref. 12301 — PORTA-FILTRO INOX 620 mm IN/OUT 40 mmRef. 12311 — PORTA-FILTRO INOX 520 mm 40 mmRef. 12319 — PORTA-FILTRO INOX 250 mm 40 mmRef. 12322 — PORTA-FILTRO INOX 320 mm 40 mmRef. 12327 — PORTA-FILTRO INOX 455 mm 40 mm