Mycology Supplies Silicone Jar Covers HRG Operating Temperature: 56-95° F

Operating Temperature: 56-95° F

is great for filtering wells

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

and to provide an unparalleled completely natural source of phosphorus and calcium

Waterproof: Designed to withstand the humidity of a growing environment

Mycology Supplies Silicone Jar Covers HRG Operating Temperature: 56-95° FMycology 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