QR-2 By admin | February 6, 2019 - 7:28 pm |April 22, 2024 $2.00 QR-2 quantity Add to cart Category: Parts Description Description QR-2 (Quad Ring 2) Replacement Quad Ring for K&P Engineering Filters: QR-2 MSRP USD: $2.00 Related products FE-16 $109.00 Add to cart FE-18 $109.00 Add to cart FE-40 $99.00 Add to cart CW1 – 68mm Cup Wrench $6.99 Add to cart Bookmark the permalink.