Bluelab Replacement pH Probe for Guardian, Combo, & pH Meter
Bluelab Replacement pH Probe for Guardian, Combo, & pH Meter at HorticultureSource.com -
Bluelab Bluelab Replacement pH Probe for Guardian, Combo, & pH Meter (BLU24102) Easy to clean because of its bullet shaped glass bulb. Fully waterproof and less fragile than all-glass electrodes because of its tough polypropylene barrel. Gel filled (non-refillable) making it maintenance free and a double junction reference providing longer life! Manufacturer's Product Information MSRP each $ 81.95 UPC 9421024920104 Dimensions 2.25 x 1.15 x 8 Case Quantity 1