Grodan Improved 4 Block, 3Inches x 3Inches x 2.5Inches, no hole, shrink wrapped, on strip, case of 384 titan-controls-atlas-1-co2-monitor-controller-with-remote-sensor We suggest you replace both

We suggest you replace both filters at the same time

The flexibility allows this tube to be easily applied to standard barbed drip stakes and push in fittings

For optimal performance it is recommended that the filter be replaced every 3–6 months

The Grodan Improved Uni-Block was designed as the ideal stacking block

and PCT Application: WO2013/019268

Grodan Improved 4 Block, 3Inches x 3Inches x 2.5Inches, no hole, shrink wrapped, on strip, case of 384 titan-controls-atlas-1-co2-monitor-controller-with-remote-sensor We suggest you replace bothNew Grodan Improved! Improved product at current pricing. New density + new hydrophilic technology = better water distribution and root development. The uniform distribution of water and nutrients throughout the block allows for more efficient use of the entire substrate volume Full saturation of the blocks with no dry spots and improved EC control with less water is achieved in the rootzone due to the uniform, optimized wool resulting in a