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PetSafe Magnetic Collar Key for 400 and 900 Series Cat Flaps

£5.98 (as of 23/10/2026 20:31 BST - DetailsProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)

The PetSafe Magnetic Collar Key is a cat-access accessory for compatible PetSafe magnetic cat flaps in the 400 and 900 Series. It comes with an elastic strap designed for cats, and the magnetic key can be detached from the strap if needed. If more than one cat uses the flap, allow for one key per cat.

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Quick Summary

The PetSafe Magnetic Collar Key is a cat-access accessory for use with compatible PetSafe magnetic cat flaps in the 400 and 900 Series. It is supplied with an elastic strap designed for cats, and the magnetic key can be detached from the strap if needed.

This is a practical option when more than one cat needs access, as each cat can have its own key. If you are choosing this for a specific flap, the main check is compatibility with the 400 or 900 Series.

Key Details

DetailVerified information and buyer relevance
Product typeMagnetic collar key for a cat flap access system.
CompatibilityWorks with PetSafe magnetic cat flaps from the 400 and 900 Series. Check your flap series before choosing.
AttachmentSupplied with an elastic strap designed for cats, with the magnetic key detachable from the strap.
Multi-cat useA separate key can be purchased for each cat if more than one pet needs access.

What to Compare Before Buying

  • Flap series: This key is intended for PetSafe magnetic cat flaps in the 400 and 900 Series. Match the series to your existing flap.
  • Number of cats: If more than one cat needs access, each cat needs its own key.
  • Attachment method: The key comes with an elastic strap designed for cats, and the key can be detached if you want to use a different collar setup.

Before You Decide

Confirm that your cat flap is a PetSafe magnetic model from the 400 or 900 Series. If you have more than one cat using the flap, make sure you allow for one key per cat.

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