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Roundup - Super Savings! Save up to 36%


Super Savings! Up to 36% off on Roundup products at Knock Knock. Hurry! Limited time offers. Offers valid only while supplies last.



Roundup 190314 Backpack Sprayer for Fertilizers, Herbicides, Weed Killers & Insecticides, 4 Gallon
Roundup 190314 Backpack Sprayer for Fertilizers, Herbicides, Weed Killers & Insecticides, 4 Gallon
In Stock
$69.99
$44.99
You Save: 36%

mpn: 190314, ean: 0841688002395,

This Roundup 190314 backpack sprayer meets all your spraying needs - whether it's cleaning, sealing, fertilizing your lawn or garden, or controlling insects in your yd. The large piston pump pressurizes in fewer pumps & has Viton seals for long-lasti...


Roundup Weed and Grass Killer Super Concentrate, 35.2-Ounce
Roundup Weed and Grass Killer Super Concentrate, 35.2-Ounce
In Stock
$52.53

mpn: 5100720, ean: 0885320088040,

The economical, effective way to handle larger areas, Roundup Concentrates are simple to prepare and use, and they deliver all the weed-control power you expect from the Roundup brand. With the best Roundup brand concentrate value for widespread weed...


Roundup Quick Pro 1 box Makes 5 Gallons-6 Boxes
Roundup Quick Pro 1 box Makes 5 Gallons-6 Boxes
In Stock
$60.07

mpn: 4316365235,

RoundUp Quick Pro from Monsanto combines glyphosate and diquat into one easy to use powder for fast control of tough weeds. It provides systemic post-emergent control of most annual and perennial weeds. The addition of Diquat allows for quicker weed ...


Roundup Weed Grass Killer Concentrate Plus, 16-Ounce
Roundup Weed Grass Killer Concentrate Plus, 16-Ounce
In Stock
$15.29
$14.15
You Save: 7%

mpn: 5005510, ean: 0070183500550,

The economical, effective way to handle larger areas, Roundup Concentrates are simple to prepare and use, and they deliver all the weed-control power you expect from the Roundup brand. Roundup Weed & Grass Killer Concentrate Plus is perfect for use a...


Roundup For Lawns RTS (Northern) - 32oz
Roundup For Lawns RTS (Northern) - 32oz
In Stock
$22.99
$22.97

mpn: 5008810, ean: 0032247500883,

Roundup For Lawns 3 is a formula that kills weeds, not the lawn! It controls over 250 common lawn weeds, roots and all, and is especially effective on hard-to-kill weeds such as crabgrass, dandelion, clover and yellow nutsedge. The ready-to-spray app...


Roundup 190473 Multi-Purpose Sprayer for Killing Weeds and Insects and Cleaning, 1 gallon
Roundup 190473 Multi-Purpose Sprayer for Killing Weeds and Insects and Cleaning, 1 gallon
In Stock
$26.81

mpn: 190473, ean: 0841688004115,

Whether you need to kill weeds, clean your deck, or control bugs, the Roundup 190473 1-Gallon Multi-Use Sprayer can handle the job. It's fast, and easy to use and only requires one step to assemble. The sprayer has a durable, aluminum wand with shut-...


Roundup PRO 190410 2-Gallon Sprayer for Applying Fertilizers, Weed Killers, and Herbicides
Roundup PRO 190410 2-Gallon Sprayer for Applying Fertilizers, Weed Killers, and Herbicides
In Stock
$45.49
$44.99
You Save: 1%

mpn: 190410, ean: 0841688003569,

The Roundup PRO 2-Gallon Sprayer uses our best, most efficient pump designed for commercial use - even with the harshest chemicals. It features a chemical resistant stainless steel wand and a shut-off with comfort grip, lock-on feature, and in-line f...


Roundup For Lawns RTU Refill (Southern) - 1 Gallon
Roundup For Lawns RTU Refill (Southern) - 1 Gallon
In Stock
$18.97

mpn: 5009010, ean: 0032247500906,

Roundup For Lawns4 is a formula designed specifically for southern grasses that kills weeds, not the lawn! It controls over 90 common lawn weeds, roots and all, and works fast on hard-to-kill weeds such as dollarweed, dandelion, clover and yellow nut...


Roundup For Lawns RTS (Southern) - 32oz
Roundup For Lawns RTS (Southern) - 32oz
In Stock
$22.99

mpn: 5008610, ean: 0032247500869,

Roundup For Lawns6 is a formula designed specifically for southern grasses that kills weeds, not the lawn! It controls over 90 common lawn weeds, roots and all, and works fast on hard-to-kill weeds such as dollarweed, dandelion, clover and yellow nut...


Roundup 190474 Multi-Purpose Sprayer for Killing Weeds and Insects and Cleaning, 2 gallon
Roundup 190474 Multi-Purpose Sprayer for Killing Weeds and Insects and Cleaning, 2 gallon
In Stock
$24.39
$18.76
You Save: 23%

mpn: 190474, ean: 0841688004122,

Whether you need to kill weeds, clean your deck, or control bugs, the Roundup 190474 2-Gallon Multi-Use Sprayer can handle the job. It's fast, and easy to use and only requires one step to assemble. The sprayer has a durable, aluminum wand with shut-...


Roundup PRO 190413 Stainless Steel No-Leak Pump Backpack Sprayer for Yards and Gardens
Roundup PRO 190413 Stainless Steel No-Leak Pump Backpack Sprayer for Yards and Gardens
In Stock
$118.97
$115.01
You Save: 3%

mpn: 190413, ean: 0841688003590,

4.0 out of 5 stars with 39 reviews
Roundup PRO 190413 No Leak Pump Backpack Sprayer does the work of a piston or diaphragm backpack sprayer. The exclusive internal No Leak Pump keeps your back and clothing dry. The pump features Viton seals that can be easily changed within minutes wi...



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