The 51mm three ear bottom handled filter is designs for a wide ranges of coffee machines, ensuring easily extraction and richer flavor in every cup Crafted from abs, this filter long lasted durability and easy maintenance, featuring a unique three ear designs for even pressure distribution Enhances your coffee making process with this filter, designed to coffee grounds overflows and provide a superior extraction Perfect for use in kitchens to elevates your coffee making, in cafes for efficient and coffee preparation, and in coffee courses to teach proper extraction techniques Ideal for coffee enthusiasts, and coffee training institutions aiming to enhances practical skills