Zoom icon Click to expand Tap to zoom Chevron down icon Chevron down icon Mazzer Doser Star Spring by Mazzer No reviews Save Liquid error (product-badge line 32): -Infinity% $34.95 | / 1 2 3 4 5 6 7 8 9 10+ Quantity Chevron down icon Quantity Add to cart Spinner icon Notify me when back in stock Email address Email me when available 50 x 14.5 mm. Also referred to as a doser pressure spring.