ALIEN Hydroponics EasyFeed 5 Pot 5 Row 16L Kit Ventilation How safe are the materials

How safe are the materials used in making this RO filter

This is part A

Works with all wattage bulbs and ballasts

• Brushes (x2)

Rear vent barb allows for nitrogen or other inert gas connection

ALIEN Hydroponics EasyFeed 5 Pot 5 Row 16L Kit Ventilation How safe are the materialsDescription The ALIEN EasyFeed 5 Pot 5 Row Kit is available in 4 pot sizes. Easy to configure and assemble with advanced features and setup options, grow 5 plants to perfection while bottom feeding with scheduled dry backs with this ALIEN EasyFeed Kit! Specifications Brand: ALIEN Hydroponics SKU: BD100 B505 Product Name: ALIEN Hydroponics EasyFeed 5 Pot 5 Row 16L Kit Product Family: EasyFeed Product Type: Hydroponic grow system kit Pot Count: 5 Row