Compatible with Growbag Water and Flower and Vegetable Waterer Contains 8 pieces Extend the life of your Hozelock Growbag Waterer with this Replacement Capillary Mat Set. Designed specifically for the Growbag Waterer and Flower and Vegetable Waterer, these mats are essential for ensuring your plants receive a steady and reliable water supply. Simply apply the mats to the water spikes, and enjoy hassle-free watering year after year. With eight pieces in a pack, you'll have plenty of mats to keep your waterer working at its best.