PM1 - PM1 Coarse Drainage Rock

The Absorb team wishes you a very safe and happy holiday time. We will be closed from Friday, 19th December 2025 and reopening Monday, 12th January 2026. 

As usual, in an emergency please phone 027 282 8032.

PM1 Coarse Drainage Rock
PM1 Coarse Pea Metal (10-20 mm, 75% Silica)

PM1 is a dark black-grey, smooth, elongated stone with rounded edges, naturally shaped over thousands of years in New Zealand. This material is commonly used as a support layer in multi-layer rapid filters for water treatment.
Size: 10 - 20 mm
Uniformity: <1.5
Specific Gravity: 2.65
Mineral Composition: > 75% Silica (Si02)
Bag Options: 20 Kg, 1-Ton bulk bag, or as required
Net Bag Volume (L) per 20 Kgs: 13 L (0.1m3)
Net Bag Volume (L) per 1,000 Kgs: 625 L (0.63m3)
Net Bag Weight (Kgs) per 1m3: 1600 Kg / m3 + or - 3% (1.60 ton)
... ...
Support Local by purchasing a New Zealand made product.