ph 4.00 for sale, brand-new and used.

Hach sensION 1 pH/mV Meter Includes pH Electrode  Waterproof Meter

Mico Essential Labs Hydrion Tri-Check Buffer Capsule Set The Hydrion Tri-Chek Buffer Capsule set is perfect for quick and easy pH meter calibration. When mixed with distilled or de-ionized water, Hydrion Buffer Capsules will accurately produce 100 ml. of solution at pH 4.00, 7.00 and 10.00.

Sealed PH-04, 4.00 Buffer Solution. Details per Chart in picture ! Free local pickup at Yonge/Steeles - Can$ cash

NEW Digital PH Meter Tester Pocket Pen LCD Aquarium Water Urine Lab Monitor

Powertran Transformer A012P100 Has general signs of normal wear and tear which may include scratches, scuffs, dirt, sticker residue etc on the exterior casing. PLEASE REFER TO PICTURES. Unit does not come with accessories unless noted in description.

Powertran Transformer A012P100 Has general signs of normal wear and tear which may include scratches, scuffs, dirt, sticker residue etc on the exterior casing. PLEASE REFER TO PICTURES. Unit does not come with accessories unless noted in description.

Lot of 6 Thomas & Betts 2575 Watertight Strain Relief Straight Connectors "NEW" Item looks to be new, however it is from an open box, or the original box is missing, may be missing accessories. See details below. PLEASE REFER TO PICTURES.

Lot of 3 Hubbell HBL2621 30A 250V 2-Pole 3-Wire Insulgrip Twist-Lock Plug Item looks to be new, however it is from an open box, or the original box is missing, may be missing accessories. See details below. NOTE: This item can only be shipped to a U.S.

Nice Siemens ITE NR322 60 Amp 240 Volts Fusible Type 3R Rain Tight Safety Switch Disconnect Pulled as working unit! 60 Amp 240 Volt Type 3R Raintight Fusible 1 Ph Lockout tab is not functional at the bottom E-Bay Store # IW-15

EG PLEASE BE RESPONSIBLE......................SPAY OR NEUTER YOUR COMPANION ANIMALS....................MILLIONS OF ANIMALS ARE PUT TO DEATH EVERY YEAR....

National Instruments TBX-68 DIN-RAIL Mount I/O Connector Block Item looks to be new, however it is from an open box, or the original box is missing, may be missing accessories. See details below. PLEASE REFER TO PICTURES.