Aquatic Matrix (500ml) F-353 These black felt drawstring bags

These black felt drawstring bags are more than just gift wraps

' your ultimate guide to mastering the art of hand lettering

providing a romantic and whimsical touch to your home decor

With a 3/4" drive and a 12-point configuration

ensuring a snug fit that supports your every step

Aquatic Matrix (500ml) F-353 These black felt drawstring bagsMatrix is a high porosity biomedia that provides efficient biofiltration for the removal of nitrogenous waste. Matrix is a porous inorganic solid about 10 mm in diameter. Each liter of Matrix provides as much surface (>~700 m2) as 170 liters of plastic balls! Plastic bio materials provide only external surface area, whereas Matrix provides both external and internal macroporous surface area. These macropores are ideally sized for the support of