Easiest French Drain installation for the DIYer! Introducing FDM’s all in one kit for a 3 in French Drain. Our convenient kit includes everything you need to install a dual pipe French Drain System. This kit is designed for DIYers, who want to install a French Drain system without the need for professional help. Buy More and Save! Purchase 2 French Drain Kits and receive 5% OFF or purchase 3 or more French Drain Kits to receive 10% OFF.