You might find that the "periscope" ones can be cut up and used . That`s what I did for a couple of my 9x3 airvents across the cavity I got them in a builder`s merchant . Didn`t even bother asking if they had a straight one - I`ve got used to the lack of stock/knowledge in most of these places
If you need to find a tradesperson to get your job done, please try our local search below,
or if you are doing it yourself you can find suppliers local to you.
Select the supplier or trade you require, enter your location to begin your search.
Please select a service and enter a location to continue...
Are you a trade or supplier? You can create your listing free at DIYnot Local