★ Ships without the box. Product Description: Replacement filters specifically for Pure Crystal, approximately a 2-month supply of activated carbon filters. Gentle hydration for your cat! Always clean water! Activated carbon (with antibacterial activated carbon) adsorbs chlorine odor and makes the water delicious. The non-woven fabric catches food particles, loose hair, dust, etc., maintaining clean water. If you notice anything unusual, consult a veterinarian immediately. This product is not intended for the treatment of diseases. Contents: 2 pieces (approximately 2 months' supply) Compatible models: Pure Crystal 1.5L/2.5L, Bloom, Grassy, Nyaro