Can-Filter® Replacement Pre-Filter 125 Hortilux B-52 contains humates and other

B-52 contains humates and other sources of plant nutrition that are more easily absorbed by your plants because they are administered with B vitamins

Advanced Nutrients pH products are carefully-manufactured pure concentrates that are pharmaceutical grade

or individually

studies show that when plants are fatigued (which is when they most need B vitamins)

Naturally occurring

Can-Filter® Replacement Pre-Filter 125 Hortilux B-52 contains humates and otherVery low air resistance, easily changed. MERV 5 mesh blocks pollen, dust and other particulate from entering filter. Available in sizes for all filters. A clean Can Filter Pre Filter is an excellent way of extending the working life of your Can Filter filter.