14x18x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack lighting-&-electrical-components The Hanna Instruments HI98107 pHep

The Hanna Instruments HI98107 pHep pH tester is a rugged and reliable pocket-sized tester for use in the lab or field

Protects Beneficial Bacteria: Ideal for organic compost

As a growth regulator it will disrupt the insect's life cycle and prevent it from reaching adulthood

Ideal For:

SLUGGO remains effective even after rain

14x18x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack lighting-&-electrical-components The Hanna Instruments HI98107 pHepNordic Pure Custom MERV 14 Plus Carbon air filters are made based on the actual measurements so be sure to measure your current filter to get the EXACT dimensions before ordering. As with all Nordic Pure filters, the effective life of your filter depends on the environment in which you live. We recommend changing 1 and 2 filters every 30 90 days. Our 4, 5 and 6 inch thick filters could last up to 6 months. EXACT MEASUREMENT: Furnace and air condition