{"product_id":"sundstrom-sr-221-prefilter-5pk","title":"Sundstrom SR 221 Prefilter 5pk","description":"\u003cp\u003eThe SR 221 prefilter should alwasy be used together with particulate filter, chemical cartridges and combined filters. The prefilter protects the main filter against premature clogging by larger particles, for example dirt and dust.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNon-classified filter designed to prolong the life of the P100 particulate filter\u003c\/li\u003e\n\u003cli\u003eMechanically woven Polyester\u003c\/li\u003e\n\u003cli\u003eFrequently exchanging the prefilter will prolong the life of the P100 particulate filter by catching larger particles and preventing premature clogging\u003c\/li\u003e\n\u003cli\u003eNIOSH approved non classified prefilter\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"U.S. Safety \u0026 Supply Co.","offers":[{"title":"Default Title","offer_id":41930548412501,"sku":"7529","price":2.67,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0610\/3426\/6709\/files\/sundstrom-sr-221-prefilter-5pk-7529-7005244.jpg?v=1767475447","url":"https:\/\/www.bghydro.com\/products\/sundstrom-sr-221-prefilter-5pk","provider":"BetterGrow Hydro","version":"1.0","type":"link"}