
Rock Model
Placeholder for Rock Model tank image and short product reference.
A versatile 3 layer blow moulded water tank range from Allwin, available across Glacier, Rock, Nibbon and Sun models for reliable household, commercial and institutional water storage.
The Glacier model is a premium blow moulded water tank option with 3 layer HDPE construction, food-grade material quality, strong body design and threaded lid support.
Dimension table for Glacier model blow moulded water tanks.
| Glacier Model | 300 Ltrs | 500 Ltrs | 750 Ltrs | 1000 Ltrs | 1500 Ltrs | 2000 Ltrs |
|---|---|---|---|---|---|---|
| Overall Diameter [mm] | 760 | 890 | 1000 | 1120 | 1260 | 1400 |
| Overall Height [mm] | 800 | 1030 | 1190 | 1295 | 1400 | 1630 |
| Manhole Dia [mm] | 400 | 400 | 400 | 400 | 400 | 400 |
Use the three placeholders below for individual tank reference images, with one shared specification table underneath.

Placeholder for Rock Model tank image and short product reference.

Placeholder for Nibbon Model tank image and short product reference.

Placeholder for Sun Model tank image and short product reference.
| Rock / Nibbon / Sun Model | Height [mm] | Diameter [mm] | Manhole Dia [mm] |
|---|---|---|---|
| 500 Ltrs | 1030 | 890 | 400 |
| 750 Ltrs | 1190 | 1000 | 400 |
| 1000 Ltrs | 1295 | 1120 | 400 |
Select from different model profiles and capacities based on placement and water storage requirement.
Available from 300 to 2000 litres.
Shared specification range in 500, 750 and 1000 litre capacities.
Available in Blue, Black, White and Yellow options.
Speak with Allwin Pipes for model selection, availability and product details.