This is the only adapter ring on the market that accepts 20" or 24" Polylok risers. Our adapter ring is ideal for retrofitting existing septic tanks, and can be secured with ease. Our adapter ring is made of virgin high density polyethylene.
- Adapter ring accepts either 20" or 24" Riser
- Covers up to 25" square opening
- Perfect for retrofitting onto existing tanks
- Only need to inventory one adapter ring
- Save time and money with easy installation
- Optional Riser Adapter Ring Kit
Free delivery on orders over €30 +VAT across the Republic of Ireland. Smaller orders carry a flat-rate delivery charge, shown at checkout. We don't currently deliver to Northern Ireland or Great Britain.
Timing: in-stock items are dispatched within 1–4 working days of payment clearing, with delivery typically 2–5 working days after dispatch — you'll get an email when your order ships. Special-order items usually dispatch within 5–10 days, and we'll keep you updated on anything delayed.
Tank & large system deliveries are scheduled with you in advance. Offloading is the customer's responsibility — please have suitable equipment (such as a teleporter or digger) and a helping hand on site, and make sure the address has clear access for a large delivery vehicle.
On arrival: inspect your delivery before signing. Tanks should be checked on site with the driver present and any damage noted on the delivery docket — claims can't be accepted afterwards. Please report any damage or shortages within 48 hours.
Collection: you're welcome to collect from our premises at Milltown Business Park, Co. Galway — just arrange it with us in advance.
Unsure about delivery to your site? Call us on 085 252 1255 before you order — we're happy to advise.