Type 421D Galvanized Slotted Channel Grate - 19.69” trm The protection mats are HDPE

The protection mats are HDPE plastic mats specifically designed to shield surfaces from the impact of heavy machinery and foot traffic

Design: Black rectangular D1200-style meter box

Iowa DOT Note:

To ensure optimal protection against freezing temperatures

The erosion control mat provides a place for vegetation to grow and structure open fiber structure has enough area for grass and plant roots to take hold without being washed out from hillside water run-off

Type 421D Galvanized Slotted Channel Grate - 19.69” trm The protection mats are HDPELOAD CLASS A EN 1433 3,372 LBS 70 PSI For use with ACO trench drain channels. Note: This product must be ordered with an ACO Trench Drain System and cannot ship alone.