Hard-to-find 240ml traditional Vietnamese coffee Phin filter used to make hot or iced Vietnamese coffee (Cafe Sua Da). Gravity insert style is easier to use than screw-down insert, and has been adopted by the top Vietnamese coffee company Trung Nguyen in their 1000 coffee shops. Heavy-duty stainless steel (INOX) lasts for years. Net brew volume is about 210mls after some absorption of water by the coffee grounds. Dimensions: Spanner is 7.6cm - 2.2cm wide, chamber interior is 5.1cm - 1.6cm wide, chamber height is 5.1cm - 0.6cm .