pH Test Paper, pH Range 6-9.5, Dual 15' Rolls Loose Leaf Paper Also has a 12/24 hour

Also has a 12/24 hour alarm clock

Light Sources: 4 LEDS Wavelengths: 428nm

Adjustable wheels allow the operator to control vacuum height and suction velocity

Bright red LED indicator confirms when protected power is available

Triple-display—shows high

pH Test Paper, pH Range 6-9.5, Dual 15' Rolls Loose Leaf Paper Also has a 12/24 hourProduct Code: PH695R Based on well known spectral colour changes and is sharp and clear throughout the range. Narrow strip (5 32 inches) uses micro quantities of liquid on special wet strength paper that will not tear. Each roll is 15 feet long. pH Range 6. 0 9. 5. Dual Rolls of 6. 0 8. 0 and 8. 0 9. 5 in double sided dispenser Supplied with colour charts.