2'' Neoprene Insert Black (132-pack) chillers-heaters-and-purification Hanna's line of calibration solutions

Hanna's line of calibration solutions have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened bottle

protective guard for added safety

• Higher density Vega aluminum reflector with only 1% annuel depreciation

Stronger and larger root systems

Year-Round Indoor Operations – Low-temp defrost capability makes this unit reliable through winter months when ambient temps drop

2'' Neoprene Insert Black (132-pack) chillers-heaters-and-purification Hanna's line of calibration solutions2" x 0. 75" Neoprene Inserts act as root guards and fit inside net pots to support plants growing in aeroponic or hydroponic systems. Designed for cloning machines, these inserts are preferred over plastic lids because they prevent the cutting or clone from moving around. Simply place the stem of a new cutting into the slit in the insert and watch as it provides support to your plants while still protecting their delicate tissues. Sold in packs of 132