---
product_id: 81587163
title: "Polylok 20\" x 12\" Septic Tank Riser"
brand: "polylok"
price: "NT$12239"
currency: TWD
in_stock: true
category: "Polylok"
url: https://www.desertcart.tw/products/81587163-polylok-20-x-12-septic-tank-riser
store_origin: TW
region: Taiwan
---

# High Density Polyethylene 20" Diameter Frost Resistant Polylok 20" x 12" Septic Tank Riser

**Brand:** polylok
**Price:** NT$12239
**Availability:** ✅ In Stock

## Summary

> 🔧 Elevate Your Septic Game!

## Quick Answers

- **What is this?** Polylok 20" x 12" Septic Tank Riser by polylok
- **How much does it cost?** NT$12239 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/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

- • **Safety First:** Compatible with Polylok 20" Riser Safety Screens for added security.
- • **Built to Last:** Crafted from high-density polyethylene, ensuring durability and resistance to shattering.
- • **Frost Fighter:** Structural ribs designed to prevent frost adherence, perfect for cold climates.
- • **Easy Installation:** Lightweight at just 8 pounds, making setup a breeze.
- • **Proudly Made in the USA:** Support local manufacturing with this quality product.

## Overview

The Polylok 20" x 12" Septic Tank Riser is a robust and reliable solution for septic systems, made from high-density polyethylene to withstand the elements. With its innovative design featuring structural ribs to combat frost, this riser is perfect for any climate. Proudly made in the USA, it’s lightweight and easy to install, ensuring you can enhance your septic system with confidence.

## 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.tw/products/81587163-polylok-20-x-12-septic-tank-riser](https://www.desertcart.tw/products/81587163-polylok-20-x-12-septic-tank-riser)

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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-06-27*