4" EASY 2 plastic trench drain, stainless grateVodaland's EASY 2 channels are ideal for home or garden installations. Easy to install due to snap in connection on both ends of channels. You can turn your system 90 degree left or right at any end of channel using pre installed snap in connection located on each side. Grating clicks into the channel and may be easily removed for cleaning purposes. Channel has 4" internal width, 2. 2" internal depth and 39. 4" (1 m) length. Outside dimensions below.