Sunfilm Black & White Panda Film 10 ft x 50 ft Roll Sierra Natural Science (SNS) pH and temperature meter all

pH and temperature meter all in one

The other has no holes

Includes: 2-stage oversized housings with pleated

They also allow excess air pressure from the pump to escape to decrease pressure on the diaphragm of your pump

it acts as a bio-fungicide that can resist harmful fungi

Sunfilm Black & White Panda Film 10 ft x 50 ft Roll Sierra Natural Science (SNS) pH and temperature meter allWaterproof poly film that is black on one side and white on the other can be used for growing areas. Sunfilm Panda Film works well as a reflective film (reflects 90% of the light back to the growing area) or as a room partition. This is a very heavy duty 5. 5 mil film for a variety of uses. Individually packaged.