![Gecko IN.K600-5OP Overlay Gecko IN.K600-5OP Overlay](https://cdn11.bigcommerce.com/s-whbac/images/stencil/300x300/products/2169/5067/bdb4d5e4-0ad0-4ea5-9026-a323af5e9beb__75102.1671806542.jpg?c=2)
The Gecko IN.K600GF is not interchangeable with the IN.K600-5OP if want to use a stereo as then it is not compatible.
Fits perfectly and works like a charm on my 10 years old spa! Shipping was very fast! Great customer service both on the chat and on the phone!