Remove item Thumbnail image Product Price Quantity Subtotal × BLUE SILICONE BITE VALVE ONLY £4.00 BLUE SILICONE BITE VALVE ONLY quantity £4.00 × BLACK BITE VALVE STRAIGHT £8.50 BLACK BITE VALVE STRAIGHT quantity £8.50 × 7MM ID TUBING WITH BITE VALVE £15.00 7MM ID TUBING WITH BITE VALVE quantity £15.00 Coupon: Apply coupon Update cart Cart totals Subtotal £27.50 VAT £5.50 Total £33.00 Proceed to checkout