Our Slot Drain clean out system is something that every slot drain installation needs. So how it works - The slot drain top has two parts - the base and the slot. You can actually fill the entire sand trap top with the same aggregate (filler) that you are using for your project - whether it be concrete, soil, gravel, and even pavers. Because the base and the insert are two separate parts. You can lift out the top with your aggregate at any time for you sediment clean. Comes with a narrow sediment basket. Best of all - this Slot Drain Clean Out will work with any channel depth!  PARAMETERS Article ................................ 8080-M Material ............................. PPE Plastic - 304 Stainless Steel Dimensions ....................... 6 x 20 x 16 Inches Load Class ....................... D Class - 88,000 LBS INCLUDED IN PACKAGE 1 - Sand Trap Base 1 - Slot Drain Trap Base - and Cap 1 - Debris Basket