Does this unit have a "release pressure valve" (used for expelling air safely from container before opening)?

No. It does not have a release valve. You have to turn the handle to release the pressure. Use caution if you are using dangerous chemicals as it can blow back at you.

Could we use this to spray pesticides as mist? If yes, then how can we do that setting as I tried, but couldn't find such setting of nozzle.

I wanted it to mist too, but couldn't get it to do that. Even if you adjust the nozzle to spray as opposed to stream, it's still not exactly a fine mist.

Does anyone know how many SQFT two gallons will cover?

It will vary based on the product you are using so read the directions carefully for every product you spray. But in general, 1 gallon for 1,000 sq. ft. That said, I just used it on a lawn bowling green which is about 14,000 sq. ft. The pesticide I used said 1 gallon to cover 1,000 sq. ft. That would have been 12 gallons to cover the green, but when I had finished I used half that amount. This may have been because I walked too fast (I walked about the pace I do when I spread fertilizer). So, depending on how fast you walk, how comprehensive you want your coverage to be, and what the pesticide label suggest, I would say 1 gallon covers at least 1,000 sq. ft and at most 2,000 sq. ft. I also recommend using a dye/colorant so you can tell where you have sprayed and how think the coverage is.

Where is it made? China?

China/USA, either way..horrible product. Brand new from the box and wouldn't spray even a drop. Absolute waste.

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Chapin 22000 Made in USA Value Pack of 2 Units, 1 Gallon Lawn and Garden Pump Pressured Sprayer, for Spraying Plants, Garden Watering, Lawns, Weeds and Pests, Translucent White

Chapin 22000 Made in USA Value Pack of 2 Units, 1 Gallon Lawn and Garden Pump Pressured Sprayer, for Spraying Plants, Garden Watering, Lawns, Weeds and Pests, Translucent White

Product ID: 261567701

Details

Brand
CHAPIN
Colour
Translucent
Material
Polypropylene
Recommended uses for product
Gardening with
Tank volume
128 Fluid

📏34-inch hose + 12-inch wand extension

🚿Adjustable spray nozzle (stream to shower)

🛠️Durable 1-gallon poly tank

¥42993

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Description

🌿 Spray Smarter, Garden Better — Don’t Miss Out on Effortless Lawn Care!

SEE YOUR PROGRESS - Translucent tank design lets you monitor fluid levels at a glance—no guesswork, no interruptions.
CLOG FREE CONFIDENCE - Built-in anti-clog filter ensures steady, uninterrupted spraying for flawless application every time.
ERGONOMIC EFFORTLESS - Comfort grip pump handle and lightweight design make long garden sessions a breeze.
DOUBLE THE POWER DOUBLE THE VALUE - Two 1-gallon sprayers in one pack to tackle every garden task efficiently.
MADE IN THE USA SUPPORTED LOCALLY - Proudly designed and backed by US-based customer service with a 1-year warranty for peace of mind.

The Chapin 22000 Value Pack includes two durable 1-gallon poly lawn and garden sprayers featuring a translucent tank for easy fluid monitoring, an anti-clog filter for consistent spray performance, and an adjustable nozzle for versatile application. Designed and supported in the USA, these ergonomic sprayers come with a 34-inch hose and 12-inch wand extension, making them ideal for professional-grade weed, pest, and plant care.

Specifications

ASIN	B08PZJ6ZTG
Best Sellers Rank	26,170 in Garden ( See Top 100 in Garden ) 146 in Garden Sprayers
Brand Name	CHAPIN
Colour	Translucent White
Customer Reviews	4.4 4.4 out of 5 stars (83,451)
Hose Length	34 Inches
Included Components	12-inch poly extension wand, 34-inch PVC hose, adjustable poly cone nozzle
Item Dimensions W x H	20.3W x 45.7H centimetres
Item Type Name	VALUE PACK, 1 Gallon Sprayer, 2 Pack
Manufacturer	Chapin
Manufacturer Part Number	22000
Material Type	Polypropylene (PP)
Maximum Pressure	60 Pound per Square Inch
Model Name	22000
Model Number	22000
Number of Items	1
Number of Packs	2
Power Source	Manual
Recommended Uses For Product	Gardening tasks (watering plants, dealing with weeds, managing pests)
Style Name	Knapsack
Tank Volume	128 Fluid Ounces
UPC	023883220006
Unit Count	2.0 count

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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¥42993

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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