Replace the models: SER 3017, DLSC002, 5513292811 One filter should give approximately 250 cups of fresh coffee and max 2 months usage. This filter cartridge contains high quality ion-exchange resin and active carbon which stabilizes the calcium carbonate and removes contaminates including chlorine and lime scale, improve the taste of the coffee. Better Machine Performance: Water Filter for DeLonghi improves machine performance and efficiency. Extend life of the machine by keeping pipes clean. Prevent congestion of coffee machines due to calcium deposits. Compatible Model: Replacement for DeLonghi filter models including ECAM and ETAM type bean to cup coffee machines and EC680 and EC800 series traditional pump coffee machines. Economical and Environment Friendly: 100% recyclable water filter with a quick and easy installation, these filters are tested for the effective reduction of chlorine, heavy metals and other harmful contaminants. 2 Months' Lifespan: Replace your water filter every 2 months to ensure the continuation of fresh, clean and fil, Weight: 1.4109584768 Pounds, Manufacturer: Aqualogis