https://notes.io/w6vJi
https://www.openlearning.com/u..../ebsenbruus-smnad3/b
This insulated cat flap has a double-flap system and provides a high level of protection for different climates. It can be used in wood, uPVC and glass doors. It is crucial to have a door that seals tightly, particularly during cold winter months. It helps prevent warm air from being sucked out and cold air from getting in and causing you to pay more energy costs. Wind Resistance Covering your cat's flap for winter can help keep your home warmer by preventing co