Home / Plumbing / Compression / Large F 1″ Brass Backnut Large F 1″ Brass Backnut£0.07 This product is available for pickup in Orpington. Large F 1" Brass Backnut quantity Delivery Store Collection SKU: 35310WC01 Category: Compression Product ID: 6940 Reviews Related products Sale! 22Mmx15Mm-3 Part Reduc Set £1.01 £0.99 Add to basket Sale! 28Mmx15Mm 3 Part Reducing Set £2.53 £1.99 Add to basket 15Mmx8Mm-3 Part Reduc Set £0.73 Add to basket 3/4″ Cp Blank Nut £0.96 Add to basket