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The 300mm – 12 in Distribution Box and Riser Cover from Polylok is a premium-quality, heavy-duty cover designed to provide safe, secure, and long-lasting protection for 300mm (12″) distribution boxes and risers. Manufactured from robust high-density polyethylene (HDPE), this durable round cover is engineered to withstand demanding outdoor conditions while maintaining its appearance and structural integrity for years.
Designed for residential and light commercial installations, the 300mm – 12 in Distribution Box and Riser Cover is pedestrian rated, making it ideal for gardens, landscaped areas, pathways and other locations where regular foot traffic is expected. Its skid-resistant surface provides additional confidence underfoot, helping to improve safety in all weather conditions. The cover is also available in green, allowing it to blend naturally into lawns, landscaped gardens and surrounding outdoor environments without detracting from the appearance of the installation.
Polylok has built its reputation on manufacturing high-quality wastewater and drainage products that professionals trust. This cover reflects that commitment, combining exceptional durability with practical design features that simplify installation and provide reliable long-term performance. Unlike lower-quality alternatives that can become brittle over time, the cover incorporates the highest level of UV protection available, helping resist fading, cracking and deterioration caused by prolonged sunlight exposure.
Safety is another key advantage. The cover is supplied with square-drive screws, allowing it to be securely fastened to help discourage unauthorised access while providing added peace of mind around septic systems, drainage installations and inspection chambers. The secure screw-down design also helps keep the cover firmly in place during normal use and routine maintenance.
Whether installed as part of a new septic system, used on an inspection chamber, or fitted to an existing Polylok riser, the 300mm – 12 in Distribution Box and Riser Cover delivers the durability, security and professional finish expected from one of the industry’s leading manufacturers. Its lightweight yet incredibly strong construction makes handling and installation straightforward while providing dependable performance throughout the lifetime of the system.
Choose the genuine Polylok cover when you need a reliable, lockable and weather-resistant solution that combines outstanding quality, maximum UV protection and an attractive finish that complements any landscaped setting.
