Hanna Hi70007G GroLine pH 7.01 Buffer Sachets, 20 mL (25 pcs.) tool-measuring The product description states that

The product description states that the rubber clamp is designed to connect duct ports securely

EZ-CLONE® 32 Site Lid and Reservoir

Ducting size: 4" | Length: 25 feet | Includes two stainless steel 4" duct clamps

and SCHEDULE modes

Only outlet devices that can automatically start running when they are plugged into an outlet are compatible

Hanna Hi70007G GroLine pH 7.01 Buffer Sachets, 20 mL (25 pcs.) tool-measuring The product description states thatHI70007G is a high quality pH 7. 01 calibration buffer designed with hydroponics, aquaponics, and greenhouses in mind. Single use sachets are highly portable, with a small footprint and a lightweight design. They are the perfect accessory for your on the go testing, fitting easily into your pocket or carrying case. Supplied with Certificate of Analysis Single use sachets for convenience. Perfect for use with GroLine testers and portable meters!