This sprayer features the SureSpray Anti-Clog filter which will guarantee great performance every time. Well worth the few extra bucks. The 4 gallon chemically resistant tank requires less trips for filling so it saves you time. The 4-Gallon poly tank has a 4-inch wide mouth opening for easy filling and cleaning. It is well known for home and garden or lawn and landscaping industries. Save yourself the time, money, hassle, and herbicide leaking down your back, legs, shoes, and lawn-- … W mouth opening for easy filling and cleaning and a diaphragm pump that … The Chapin Euro Style Backpack Sprayer has the traditional look and feel of a backpack sprayer with padded shoulder straps for a close fit to the back and a standard left hand pump handle. The 4-Gallon poly tank has a 4-inch wide mouth opening for easy filling and cleaning. The 4-Gallon poly tank has a 4-inch W mouth opening for easy filling and cleaning. Anyone can use the Chapin ProSeries Poly Sprayer from the homeowner to a landscape professional. The Chapin Euro Style Backpack Sprayer is for Fertilizer, Herbicides, Pesticides and Common Household Cleaners. The Chapin ProSeries Plus Backpack Sprayer with Bonus Foaming Nozzle is ideal for the professional landscaper as well as the homeowner. Featuring a 3-stage filtration system to prevent clogging, a translucent poly tank for viewing of fluid level, poly wand, cushion grip poly shut-off, brass nozzle and padded shoulder straps. tri-poxy lined steel tank that provides triple protection against rust, corrosion and damage from denting. The Pro Series is enhanced with a thirty four inch reinforced hose and forty percent greater pump volume per stroke. Horrible just horrible. Read more. 4-Gallon 4-inch wide mouth opening, translucent tank for easy filling and cleaning; Compatible with common fertilizers, weed killers and pesticides; Padded shoulder straps to accommodate a full backpack for hours The Chapin ProSeries Backpack Sprayer is ideal for the professional landscaper as well as the homeowner. This sprayer offers a large 4 in. The Chapin ProSeries Backpack Sprayer is IDEAL for the Professional landscaper as well as the homeowner. The Chapin Premier Series Pro Tri-Poxy sprayer The Chapin Premier Series Pro Tri-Poxy sprayer has a 1 Gal. This is not a "pro series" by any stretch. The 4 Gal. Helpful. The Chapin Pro Series poly XP sprayer is ideal for the landscape and Turf professional but easily used by the homeowner too. 3 people found this helpful. The sprayer comes with three different nozzles. This backpack sprayer is great for applying fertilizers, herbicides, fungicides and more. Use with fertilizers, weed killers, or pesticides.Features:Translucent poly tank4-inch wide opening for easy filling and cleaningErgonomic handleThree available sizes The 4-Gallon poly tank has a 4-inch wide mouth opening for easy filling and cleaning. The Chapin ProSeries Backpack Sprayer is The Chapin ProSeries Backpack Sprayer is ideal for the landscape and turf professional but easily used by the homeowner too. tri-poxy lined steel tank that provides triple protection against rust, corrosion and damage from denting. The Chapin Premier Series Pro Tri-Poxy sprayer The Chapin Premier Series Pro Tri-Poxy sprayer has a 2 Gal. The gallon translucent poly tank has a 4-inch wide mouth opening for easy filling, cleaning and checking fluid levels. Report abuse. The backpack is designed with performance in mind and the padded shoulder straps add additional comfort. poly tank has a 4 in. I have been using backpack sprayers (Lesco, Solo) for 7+ years now for herbicide applications-- this is THE WORST EVER! This sprayer offers a large 4 in. I bought the 1-gallon first, and it is a high quality yet basic sprayer, but this pro-series is definitely a step up. The Chapin ProSeries Poly Sprayer is ideal for the landscape and turf professional but easily used by the homeowner too . The Chapin Pro Series 2 Gallon Sprayer (26021XP) is a poly sprayer that is designed for fertilizer, herbicide, fungicide and watering applications.