---
product_id: 81587163
title: "Polylok 20\" x 12\" Septic Tank Riser"
brand: "polylok"
price: "€ 567.77"
currency: EUR
in_stock: true
category: "Polylok"
url: https://www.desertcart.at/products/81587163-polylok-20-x-12-septic-tank-riser
store_origin: AT
region: Austria
---

# Frost-resistant structural ribs prevent ice buildup High-density polyethylene for ultimate durability Proudly made in the USA for trusted quality Polylok 20" x 12" Septic Tank Riser

**Brand:** polylok
**Price:** € 567.77
**Availability:** ✅ In Stock

## Summary

> 🛠️ Elevate your septic system with rugged, frost-proof innovation!

## Quick Answers

- **What is this?** Polylok 20" x 12" Septic Tank Riser by polylok
- **How much does it cost?** € 567.77 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/81587163-polylok-20-x-12-septic-tank-riser)

## Best For

- polylok enthusiasts

## Why This Product

- Trusted polylok brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Crafted from shatterproof high-density polyethylene for long-term reliability
- • **Upgrade Ready:** Replaced by part 3009-R12-NG for the latest in riser technology and security
- • **Made in the USA:** Support local manufacturing with a product built to rigorous standards
- • **Frost-Proof Design:** Internal ribs stop frost adhesion, ensuring year-round performance in cold climates
- • **Seamless Compatibility:** Accepts Polylok 20" Riser Safety Screens for enhanced safety and convenience

## Overview

The Polylok 20" x 12" Septic Tank Riser is a durable, frost-resistant riser made from high-density polyethylene. Designed to prevent frost buildup with internal structural ribs, it supports Polylok safety screens and is proudly manufactured in the USA. Ideal for professionals seeking reliable, long-lasting septic system access solutions.

## Description

Polylok 20" x 12" Septic Tank Riser - desertcart.com

## Features

- This model has been replaced with part number: 3009-R12-NG as of 2021
- Accepts Polylok 20" Riser Safety Screens
- Made of high density polyethylene which won’t shatter
- Structural ribs inside prevent frost from adhering to the riser in frost prone areas
- Made in the USA
- Riser gasket sold separate (Part Number: 3009-HR)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01H7KJHLS |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #182,454 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #221 in Water Pump Accessories |
| Color | Green |
| Customer Reviews | 4.4 4.4 out of 5 stars (97) |
| Date First Available | June 17, 2016 |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Item Weight | 8 pounds |
| Item model number | 3009-R12 (20" x 12" Risers) |
| Manufacturer | Polylok, Inc. |
| Material | High Density Polyethylene |
| Part Number | 3009-R12 |
| Product Dimensions | 14 x 14 x 56 inches |
| Shape | Circular |
| Size | 20" diameter 12" Tall |

## Images

![Polylok 20" x 12" Septic Tank Riser - Image 1](https://m.media-amazon.com/images/I/51Phdw3MOGL.jpg)
![Polylok 20" x 12" Septic Tank Riser - Image 2](https://m.media-amazon.com/images/I/71HBtsYdrXL.jpg)
![Polylok 20" x 12" Septic Tank Riser - Image 3](https://m.media-amazon.com/images/I/31Xh5o1e1yL.jpg)
![Polylok 20" x 12" Septic Tank Riser - Image 4](https://m.media-amazon.com/images/I/711JU9sAH+L.jpg)
![Polylok 20" x 12" Septic Tank Riser - Image 5](https://m.media-amazon.com/images/I/91rkKRAbD7L.jpg)

## Questions & Answers

**Q: what size stainless steel  screws should be used to stack up  the polylok septic tank risers?**
A: It comes with screws and I believe they are 1 1/2"

**Q: Does this come with the lid and base as pictures show? Some vendors use deceptive pictures, asking for clarity.**
A: Yes it was fairly easy to install over our aged system

**Q: Can i use my current metal lid on this?**
A: I don't know but probably doubtful

**Q: I have a norwesco 2500 gal water tank and want to add this to the 20" access opening.....will this work ????  Do I have to seal it ???**
A: Should work but I don't know for sure; they have other models that have a square at the bottom that would work for sure; yes you would have to seal it or ground water will leak in

## Frequently Bought Together

- Polylok 20" x 12" Septic Tank Riser
- Polylok 20" Septic Tank Cover/Lid (PN: 3009-RC)
- Polylok 20" / 24" Septic Tank Riser Adapter Ring (PN: 3009-AR)

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**Shop now:** [https://www.desertcart.at/products/81587163-polylok-20-x-12-septic-tank-riser](https://www.desertcart.at/products/81587163-polylok-20-x-12-septic-tank-riser)

---

*Product available on Desertcart Austria*
*Store origin: AT*
*Last updated: 2026-07-22*