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About product and suppliers:
        Alibaba.com offers 37,172 sprayer knapsack products. About 66% of these are sprayers, 1% are backpacks, and 1% are school bags. 

A wide variety of sprayer knapsack options are available to you, such as knapsack, pump, and trigger. You can also choose from plastic, metal. As well as from pp, pe, and abs. And whether sprayer knapsack is aluminum, stainless steel, or brass. 

There are 37,172 sprayer knapsack suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of sprayer knapsack respectively. 

Sprayer knapsack products are most popular in South America, North America, and Eastern Europe. 

You can ensure product safety by selecting from certified suppliers, including 8,729 with ISO9001, 3,595 with ISO14001, and 3,348 with OHSAS18001 certification.