Polystorm 190L Storm Soakaway Crate by Polypipe 450 x 450 recessed access cover Rubber sealing gasket allows this

Rubber sealing gasket allows this cover to be installed internally since it helps with blocking odours and smells

RainCatcher Filter Diverter unit

EG9060/100-GT-EG

which is the size of the hole in the ground that is being covered

Do I need any tools to install them

Polystorm 190L Storm Soakaway Crate by Polypipe 450 x 450 recessed access cover Rubber sealing gasket allows thisCompact Modular Soakaway Crate For SuDS Compliant Drainage The Polystorm PSM1A is a high performance 190L modular soakaway crate developed by Polypipe for sustainable surface water management. Designed for both attenuation and infiltration systems, its ideal for installations under trafficked areas, such as driveways, access roads, and car parks. The crate is manufactured from 100% recycled materials and forms part of a fully BBA approved SuDS system.