Ideal Pet Products Aluminum Sash Cat Flap Pet Door 33 inch Travel The pump circulates and filters

The pump circulates and filters up to 60 gallons of water per hour through fine mesh media and is designed to provide residual heat to maintain comfortable temperatures for a wide variety of aquatic animals

The bolster zips off and can convert into a plush kitty sill

You can also use it as a replacement collar to the Deluxe In-Ground Cat Fence System (PIG00-11007)

automatically restarts if power is interrupted and restored

Locking mechanism: 2 way slide lock

Ideal Pet Products Aluminum Sash Cat Flap Pet Door 33 inch Travel The pump circulates and filtersHigh quality white finish aluminum construction. Installs easily into most styles of aluminum sash windows. Features: Size: Small For pets 2 12 lbs. Flap size 6. 25" x 6. 25" Adjustable width from 33" 38" Item Details: Dimensions: 1. 25" x 33" x 10. 63" Size: Medium For pets 2 25 lbs. Flap size 7. 5" x 10. 5" Adjustable width from 33" 38" Item Details: Dimensions: 1. 25" x 33" x 15. 06" Color: White