Expedited Shipping to all of Canada & USA. Express Shipping to over 154 Countries Worldwide!
  1. Holland Industry

Environmental Control

Per page:
Sort products:
PDF
aquamaster - combo pen p160 pro2 ph, ec, ppm, tds, temp. aquamaster - combo pen p160 pro2 ph, ec, ppm, tds, temp.

$154.99

aquamaster - e60 conductivity pen aquamaster - e60 conductivity pen

$74.99

aquamaster - handheld meter h600 pro ph, ec, ppm, tds, temp aquamaster - handheld meter h600 pro ph, ec, ppm, tds, temp

$289.99

aquamaster - ph temp meter p50 pro2 ph and temp. aquamaster - ph temp meter p50 pro2 ph and temp.

$104.99

fogmaster jr 2-quart 120v fogmaster jr 2-quart 120v

$294.99

growerbasics hygro-thermometer growerbasics hygro-thermometer

$24.99

grozone cy1 cyclestat with photocell grozone cy1 cyclestat with photocell

$99.99

grozone cy2 short period cyclestat with photocell grozone cy2 short period cyclestat with photocell

$99.99

grozone ht2 d/n digital controller t° and rh + display grozone ht2 d/n digital controller t° and rh + display

$239.99

grozone tp1 day/night t° controller temp-1 grozone tp1 day/night t° controller temp-1

$114.99

grozone tp12 adjustable differential d/n tempstat grozone tp12 adjustable differential d/n tempstat

$109.99

grozone tp3 high temperature shut-off tempstat temp grozone tp3 high temperature shut-off tempstat temp

$99.99

heat exchanger 2 fans heat exchanger 2 fans

$1,349.99

heat exchanger 3 fans heat exchanger 3 fans

$1,549.99

heat exchanger 4 fans heat exchanger 4 fans

$2,529.99

hose yellow 1" 125 psi 200' roll hose yellow 1" 125 psi 200' roll

$349.99

quest deh 3000r wall mounted humidistat quest deh 3000r wall mounted humidistat

$399.99

quest deh3000r digital humiditystat quest deh3000r digital humiditystat

$389.99

quest dehumidifier dual 110 quest dehumidifier dual 110

$2,244.99

quest dual 105 overhead dehumidifier quest dual 105 overhead dehumidifier

$3,119.99

quest dual 155 dehumidifier 120v quest dual 155 dehumidifier 120v

$4,024.99

quest dual 165 dehumidifier 120v quest dual 165 dehumidifier 120v

$4,024.99

quest dual 205 overhead dehumidifier quest dual 205 overhead dehumidifier

$5,929.99

quest dual 225 dehumidifier 230v quest dual 225 dehumidifier 230v

$4,944.99

quest dual 70 overhead dehumidifier quest dual 70 overhead dehumidifier

$2,229.99

quest merv 11 filter for 105/155/165/205/225/74/174/132 quest merv 11 filter for 105/155/165/205/225/74/174/132

$19.99

quest replacement filter for 110 and 150 quest replacement filter for 110 and 150

$54.99

ranco digital thermostat ranco digital thermostat

$229.99

troll master aqua-x irrigation control troll master aqua-x irrigation control

$464.99

trolmaster aqua-x 110v control board trolmaster aqua-x 110v control board

$149.99

Hello, Sign in