878 products

HM Digital Pen style pH/Temp meter
HM Digital

HM Digital Pen style pH/Temp meter

$44.95
HM Digital Pen style TDS/EC/Temp meter
HM Digital

HM Digital Pen style TDS/EC/Temp meter

$39.95
HM Digital pH Electrode storage solution - 60 cc
HM Digital

HM Digital pH Electrode storage solution - 60 cc

$9.95
HM Digital TDS 1000 ppm Calibration Solution HM Digital TDS 1000 ppm Calibration Solution
HM Digital

HM Digital TDS 1000 ppm Calibration Solution

$1.50 - $9.95
Hoffman Horticultural Perlite Hoffman Horticultural Perlite

Hoffman Horticultural Perlite

$9.95 - $17.95
Hoffman Horticultural Vermiculite Hoffman Horticultural Vermiculite

Hoffman Horticultural Vermiculite

$11.95 - $21.95
Hormex Liquid Concentrate Hormex Liquid Concentrate
Hormex

Hormex Liquid Concentrate

$16.95 - $28.95
Hormex Snip n' Dip #8, 0.75 oz, Carded Bottle
Hormex

Hormex Snip n' Dip #8, 0.75 oz, Carded Bottle

$19.95
Horti-Control Dust Shroom HEPA Horti-Control Dust Shroom HEPA
Horti-Control

Horti-Control Dust Shroom HEPA

$109.00 - $129.00
House & Garden Pour Spout, 5 L/10 L
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House & Garden

House & Garden Pour Spout, 5 L/10 L

$10.95
Humidity Dome 7 in
Super Sprouter

Humidity Dome 7 in

$6.25
Hurricane 6" Clip Fan Hurricane 6" Clip Fan
Hurricane

Hurricane 6" Clip Fan

$29.95
Hurricane Supreme Oscillating Stand Fan w/ Remote 16" Hurricane Supreme Oscillating Stand Fan w/ Remote 16"
Hurricane

Hurricane Supreme Oscillating Stand Fan w/ Remote 16"

$54.95
Hurricane Supreme Oscillating Wall Mount Fans Hurricane Supreme Oscillating Wall Mount Fans
Hurricane

Hurricane Supreme Oscillating Wall Mount Fans

$49.95 - $69.95
Hydro Cleanse For Hydroponic Systems

Hydro Cleanse For Hydroponic Systems

$29.95 - $124.95
Hydro Flow Garden Hose Y with Dual Shut Off

Hydro Flow Garden Hose Y with Dual Shut Off

$2.45
Hydro Flow Tub Outlet Tee Fitting w/ 2 Gaskets
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Hydro Flow Tub Outlet Tee Fitting w/ 2 Gaskets

$4.50
Hydro Hat Dripper

Hydro Hat Dripper

$5.95 - $7.95
Hydro-Logic Float Valve Hydro-Logic Float Valve
Hydro-Logic

Hydro-Logic Float Valve

$26.95
Hydro-Logic Green Coconut Carbon Filters Hydro-Logic Green Coconut Carbon Filters
Hydro-Logic

Hydro-Logic Green Coconut Carbon Filters

$23.95 - $44.95
Hydro-Logic GroGreen Garden Hose Filter
Hydro-Logic

Hydro-Logic GroGreen Garden Hose Filter

$54.95
Hydro-Logic KDF85/Catalytic Carbon Filters Hydro-Logic KDF85/Catalytic Carbon Filters
Hydro-Logic

Hydro-Logic KDF85/Catalytic Carbon Filters

$54.95 - $84.95
Hydro-Logic Membranes Hydro-Logic Membranes

Hydro-Logic Membranes

$124.95
Hydro-Logic micRO-75 KDF/Catalytic Carbon Filter
Hydro-Logic

Hydro-Logic micRO-75 KDF/Catalytic Carbon Filter

$34.95