---
product_id: 187070270
title: "Model 425 Professional Backpack Sprayer, 4 Gallon Piston Pump"
brand: "solo"
price: "AED 861"
currency: AED
in_stock: true
reviews_count: 2
url: https://www.desertcart.ae/products/187070270-model-425-professional-backpack-sprayer-4-gallon-piston-pump
store_origin: AE
region: United Arab Emirates
---

# 4-gallon high-density tank 60 psi adjustable piston pump Viton chemical-resistant seals Model 425 Professional Backpack Sprayer, 4 Gallon Piston Pump

**Brand:** solo
**Price:** AED 861
**Availability:** ✅ In Stock

## Summary

> 🌿 Spray Smarter, Not Harder – The Pro’s Choice for Effortless Lawn Care!

## Quick Answers

- **What is this?** Model 425 Professional Backpack Sprayer, 4 Gallon Piston Pump by solo
- **How much does it cost?** AED 861 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ae](https://www.desertcart.ae/products/187070270-model-425-professional-backpack-sprayer-4-gallon-piston-pump)

## Best For

- solo enthusiasts

## Why This Product

- Trusted solo brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Comfort Meets Durability:** Deluxe shoulder saver harness and waist belt reduce fatigue during extended use.
- • **Precision Pressure Control:** Adjustable pump with four pressure settings up to 60 psi for tailored spraying power.
- • **Versatile Nozzle Assortment:** Four interchangeable nozzles for every spraying need, from fine mist to jet stream.
- • **Built to Last with Viton Seals:** Superior chemical resistance ensures durability even with harsh formulations.
- • **Maximize Efficiency with 4 Gallons:** Large capacity tank means fewer refills and more uninterrupted work sessions.

## Overview

The SOLO Model 425 Professional Backpack Sprayer features a robust 4-gallon high-density polyethylene tank with UV inhibitors, a piston pump delivering up to 60 psi with adjustable pressure settings, and Viton seals for exceptional chemical resistance. Designed for professional-grade performance, it includes a deluxe shoulder harness, a 21-inch stainless steel wand, a 48-inch reinforced hose, and a versatile four-nozzle set, making it ideal for disinfectants, fertilizers, herbicides, and more. Backed by a limited lifetime warranty, it’s engineered for durability, comfort, and precision.

## Description

Piston pump up to 60 psi. Comes with 4-nozzle assortment including a brass adjustable, fan spray, jet stream, and hollow cone nozzles. These sprayers easily and effectively handle liquid disinfectants, fertilizers, herbicides, pesticides, and formulations for tree, shrub, and plant protection. Viton seals, gaskets, and O-rings throughout provide excellent chemical resistance and durability. The 4-gallon tank is made of high-density polyethylene with ultra-violet inhibitors. An extra-large tank opening ensures easy filling and cleaning, and a rugged metal frame offers stability. Other features include an adjustable pressure regulator with four positions (15, 30, 45, and 60 psi), a commercial shut-off valve with lock-on/lock-off, a 21˝ stainless steel wand, a 48˝ nylon-reinforced high-pressure hose, a double filtration system (filter basket and nozzle filter), deluxe shoulder saver harness, waist belt, and a foldaway handle for left or right hand operation. The extra-large carrying handle with wand retainer allows for portability and storage. TeeJet compatible. A limited lifetime warranty is provided.

## Features

- Viton seals, gaskets, and O-rings throughout High-density polyethylene tank with deluxe shoulder saver harness Excellent chemical resistance and durability 4-Gallon capacity 21˝ stainless steel wand

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | SOLO |
| Tank Volume | 4 Gallons |
| Color | Multicolor |
| Material | Metal, Stainless Steel |
| Style | Adjustable,Deluxe |
| Power Source | Hand Powered |
| Maximum Pressure | 90 Pound per Square Inch |
| Hose Length | 4 Feet |
| UPC | 720343004250 |
| Item Package Dimensions L x W x H | 16 x 14 x 10 inches |
| Package Weight | 12 Pounds |
| Brand Name | SOLO |
| Manufacturer | Solo |
| Part Number | 425-Professional* |

## Product Details

- **Brand:** SOLO
- **Tank Volume:** 4 Gallons
- **Color:** Multicolor
- **Material:** Metal, Stainless Steel
- **Style:** Adjustable,Deluxe

## Images

![Model 425 Professional Backpack Sprayer, 4 Gallon Piston Pump - Image 1](https://m.media-amazon.com/images/I/61UQFZM9clL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 







  
  
    Much improved from the earlier versions.
  

*by D***N on Reviewed in the United States on July 3, 2021*

Much better straps.

### ⭐⭐⭐⭐⭐ 







  
  
    Strong well built
  

*by P***E on Reviewed in the United States on March 27, 2022*

Works great

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.ae/products/187070270-model-425-professional-backpack-sprayer-4-gallon-piston-pump](https://www.desertcart.ae/products/187070270-model-425-professional-backpack-sprayer-4-gallon-piston-pump)

---

*Product available on Desertcart United Arab Emirates*
*Store origin: AE*
*Last updated: 2026-05-30*