Mycology Supplies Silicone Jar Covers HRG Waterproof: Designed to withstand the

Waterproof: Designed to withstand the humidity of a growing environment

The custom-made filters fit perfectly into Flow Hood

Operating Temperature: 56-95° F

MOLYBDENUM: Functions as a catalyst by enhancing nitrogen movement from lower to upper leaves

is great for filtering wells

Mycology Supplies Silicone Jar Covers HRG Waterproof: Designed to withstand theMycology Supplies Silicone Jar Covers are perfect for sterilizing wide mouth jar lids. These autoclavable silicone jar covers are an economical alternative to foil when preserving the lids, filters and injection pots while sterilizing for mycology culture work. Effective foil substitute when sterilizing jar lids Hold up to extreme temperatures and pressure Fits wide mouth mason jars Sold in packs of 12 Preserve jar lids, filters, and injection ports