Eheim Professional 3 200, 300 and 650 Filter Foam Set - 2616710 eheim Duration: Replace or refresh post-criteria

Duration: Replace or refresh post-criteria if required

The refractometer works on the principle of refraction of light to determine the salinity and is very accurate but also very simple and robust

aiding in sustaining a healthy aquatic environment

Key Features: High purity calcium hydroxide for optimal solubility

Material: Sintered Glass

Eheim Professional 3 200, 300 and 650 Filter Foam Set - 2616710 eheim Duration: Replace or refresh post-criteriaThese genuine Eheim Professional 3 Blue and White Filter Pads sets include 4 x white Ehfisynth pads for mechanically filtering small particles from your aquarium water and 1 x coarse blue filter pad. The Eheim Professional 3 Blue and White Filter Pad Set is suitable for the Eheim Professional 250, 300 and 600 external filters.