from andrea on 29/07/2020
as these were ordered for replacing existing faulty valves i cannot give opinion on the item.
However the service from Settvale was brilliant, ordered 1 day and delivered next - Brilliant
from Mark on 19/03/2019
Bought these to replace the inserts in a non-return / check valve in a Stuart Turner Monsoon 3 pump, part 46416. Fits perfectly, does the job, and saves about 150 quid on buying the 'service pack', which is all the manufacturer now sells.