Continue shopping “Pentair Purex SMBW 2000 4000 Filter Vent Tube 46in. 075279” has been added to your cart. Product Price Quantity Total × Pentair Purex SMBW 2000 4000 Filter Vent Tube 46in. 075279 $11.99 Pentair Purex SMBW 2000 4000 Filter Vent Tube 46in. 075279 quantity $11.99 Cart totals Subtotal $11.99 Total $11.99 Proceed to checkout — OR — Coupon: