
Septic Tanks
– Holding tanks for waste water, available in a range of sizes to suit your needs.

Sewage Treatment Plants
A range of compact sewage treatment plants for processing domestic waste.

Water Tanks
WRAS approved water tanks, perfect for backup water supply or a rain harvesting system.
Market Leading Water Treatment Tanks
Farnells Agri Plastics has been affiliated with Graf products for over 10 years. Graf are a high-quality brand offering dependable products. So much so, that they offer up to 25 years warranty on their waste water tanks.


Our Latest Products
New items in-stock and available today
Official partners with Harlequin
Harlequin are considered one of Europe’s leading providers of polyethylene storage tanks and systems. As a result Farnells Agri Plastics have stocked and supplied their products for over a decade.


Sewage Treatment
These Water Treatment Systems provide a safe and efficient solution for the treatment of domestic wastewater before being discharged into a watercourse. The range includes a wide selection of sewage treatment plants and septic tanks which help protect the environment.
Upto 18 Inhabitants | 2,700 lites daily flow | 13,000 litres

About Farnells Agricultural Plastics
At Farnells Agri Plastics we have over 30 years experience of supplying market leading plastics for a range of agricultural purposes.

Septic Tanks
Our Septic tanks are lightweight and easy to install, with self-anchoring to save on installation costs. Whilst a gravel backfill saves installation time. Made from 100% recycled material, our septic tanks are an eco-friendly solution too.

Have a question or enquiry?
If you are unsure which product is best for you, or have a question about our service, please get in touch and we will get back to you as soon as possible. Please use the form provided or the details below.