Description
NPK Industries RAW Silica 8oz Planting & Watering PuroAir 8583 AZ Detachable Full Spectrum 8583 AZ Detachable Full Spectrum PAR Meter can be used as a teaching tool in biology and horticulture classes to demonstrate the importance of light in plant growth and to provide hands on experience in measuring PAR levels What is the current lead time for the RAY44