"Does what it says it does really. A little tricky to bend and shape to the right angles but with care you can get there. I found the vent cover screw points a little close to the edge of the hole in the wall but I think that would be the same for any vent like this. Also a lot cheaper than any other other DIY chains."
"Cooker hood kit did the job and is working well, only thing was the ducting tends to compress out of shape if you are trying to get round an obstacle or through a tight space. Apart from that would buy again."
"Use a piece of 100mm plastic pipe through the wall. This will mate with the spigot on the outer cover. Use a 100mm connector to join the plastic to the aluminium. The plastic will fit core drill holes."