L PROFILE – if the gap betwen your fly screen and glass sliding door is more than 10cm, you will need to get an L profile extender.
L PROFILE EXTENDER 2.10m tall panel – allows you to lock BOTH Fly Screen/Security and Glass Sliding Doors. Adaptor is a long skinny panel that gets installed next to pet door insert.
As your gap between fly screen door and glass sliding door is more than 10cm, you will also need to get a panel called L profile which is an extender to adaptor, and it needs to be connected to adaptor with a few pop rivets. L Profile will extend adaptor up to 17cm gap.
Both Female Latches need to be transferred to adaptor/L profile panel and pet door insert is to be fixed to the sliding door frame (Where female latch used to sit, so its nice and secure and no one can come in).