Applicable to B31, b40, B45, B50, B55, B60, B65, B70, B75, K31, K40, K45, K50, K55, K60, K65, K70, k75 and other series. Not applicable to Vue, B130, b131, B100, b100p, or b2000 / 3Coffee filter, also known as permanent coffee filter cup, is used to filter coffee. It is suitable for a variety of coffee models to replace the traditional disposable coffee capsule.It can be reused permanently and has the effects of environmental protection, saving and good filtering effect.Refillable K-Cups aren't only excellent for you and your personal enjoyment, they are also extremely helpful to our planet. Help reduce your carbon footprint. by re using your Refillable K-Cups all while enjoying your favorite Coffee brewed with the help of your machine.Rinse clean under running water after each use. Perfect Gift for Coffee Lovers.Colour:brownMaterial:Plastic+Stainless SteelPackage Contents:3 * coffee filters1 * brush1 * spoonOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.