Brett Martin Porcupipe is a simple, but extremely effective way of keeping virtually any domestic gutter system clear and free from all kinds of debris including moss and leavesBrett Martin Porcupipe FeaturesFits inside the gutter creating a screen from debris entering the systemEasy installation by simply pushing the two metre lengths between the gutter and the roof tilesPractically maintenance freeHigh quality polypropylene filaments securely fixedFlexible central rust-free stainless steel coreHelps prevent entry of birds into the roof spaceCan be installed any Brett Martin channel drain systemAvailable in two colours - Black and White. White option excellent for low level white gutters, such as conservatories