Some of the downfalls to having to use a drain box for stormwater management is appearance and clogging. Now with the use of Gravel-Lok Drain Box Lid Covers the unattractive drain box can be hidden below. All that is visible is porous natural stone bonded with Gravel-Lok. The system also acts as a filter to remove large debris, which contributes to the majority of the clogging of most drain systems. The lid can be removed for cleaning and access to the drain box below.