Panacea 507822 88595 Trough Coco Fiber Replacement Liner, 48-Inch, 48 inch, Natural;

This long lasting 100% coco fiber liner keeps plants moist and promotes healthy growth. While holding soil in the basket, the all natural coconut fiber lets water and air circulate, extending the life of your plants and encouraging them to thrive. Fits most manufacturers' 48-inch x 7 to 8-inch deep window and deck trough planters.