Fenwick testers (Try before you buy)We have 'tester' versions of Fenwick masks & ear bonnets that you can try out for fit and effectiveness before buying. Here's how it works: Requesting a tester: All our Fenwick testers are listed in the drop down box above: just select and order one via this page as you would a normal product. You pay the same price as for a new one; this acts as a deposit towards return of the tester. If you decide to buy, return the tester and we'll send out the