We have a used 35 foot Python gravel vacuum for sale. Works great. Comes with an extra, brand new pump attachment and quick snap connectors by Gardenia. I'm in Mission now.
https://www.amazon.ca/Python-25NS-25-Feet-Aquarium-Maintenance/dp/B000255NXC#
https://www.amazon.ca/Python-25NS-25-Feet-Aquarium-Maintenance/dp/B000255NXC#