{"product_id":"geotech-double-check-valve-disposable-bailers","title":"Geotech Double Check Valve Disposable Bailers","description":"\u003cp\u003e\u003cstrong\u003eGeotech Double Check Valve Disposable Bailers\u003c\/strong\u003e use two check balls — one at the top and one at the bottom — rather than the single bottom check found on a standard bailer.\u003c\/p\u003e\n\u003cp\u003eThe second check valve seals the top of the bailer as it is withdrawn, so the sample column stays put instead of sloshing or draining back down the well. That means less agitation on retrieval, better sample retention, and reduced loss of volatiles.\u003c\/p\u003e\n\u003cp\u003eMolded from virgin polyethylene with a biodegradable additive. \u003cstrong\u003ePFAS-free.\u003c\/strong\u003e Single use — no decontamination, no cross-contamination between wells.\u003c\/p\u003e\n\u003ch3\u003eApplication\u003c\/h3\u003e\n\u003cp\u003ePurge-and-sample work in monitoring wells where sample integrity matters — VOC collection, trace metals prep, and deeper wells where a single-check bailer tends to lose volume on the way up. Weighted for a faster, straighter descent.\u003c\/p\u003e\n\u003cp\u003eWhere the extra retention isn't needed, the standard \u003ca href=\"https:\/\/envirotechonline.com\/products\/geotech-weighted-disposable-bailers\" title=\"Geotech Polyethylene Disposable Bailers\"\u003eweighted\u003c\/a\u003e and \u003ca href=\"https:\/\/envirotechonline.com\/products\/geotech-non-weighted-disposable-bailers\" title=\"Geotech Polyethylene Disposable Non-Weighted Bailers\"\u003enon-weighted\u003c\/a\u003e disposables cost less per case.\u003c\/p\u003e\n\u003ch3\u003eParts \u0026amp; Accessories\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/envirotechonline.com\/products\/polyethylene-voc-sampling-device-9-cs\" title=\"VOC Sample Tips\"\u003eVOC Sample Tips\u003c\/a\u003e — controlled pour into VOA vials, reducing loss of volatiles\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/envirotechonline.com\/products\/geotech-product-sampler-for-1-5-poly-bailers\" title=\"Geotech Product Sampler\"\u003eProduct Sampler\u003c\/a\u003e — converts a 1.5\" bailer for free-product\/LNAPL recovery\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/envirotechonline.com\/products\/suspension-cord-nylon-1-8-x-1000\" title=\"Bailer Cord\"\u003eBailer Cord\u003c\/a\u003e and \u003ca href=\"https:\/\/envirotechonline.com\/products\/bailer-retrieval-disposable-nylon-cartridges\" title=\"Nylon Twine Cartridges\"\u003eNylon Twine Cartridges\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/envirotechonline.com\/products\/bailer-retrieval-aluminum-reel-only\" title=\"Bailer Retrieval Aluminum Reel\"\u003eBailer Retrieval Reel\u003c\/a\u003e — smooth ball-bearing deployment and rewind\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/envirotechonline.com\/products\/coated-stainless-steel-suspension-cable\" title=\"Coated Stainless Steel Suspension Cable\"\u003eCoated Stainless Suspension Cable\u003c\/a\u003e — for deep or dedicated installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBrowse the full \u003ca href=\"https:\/\/envirotechonline.com\/collections\/geotech-parts-accessories\" title=\"Geotech Parts \u0026amp; Accessories\"\u003eGeotech Parts \u0026amp; Accessories\u003c\/a\u003e range.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.geotechenv.com\/pdf\/ground_water_sampling_equipment\/geotech_disposable_bailers.pdf\" title=\"View Bailer Specifications\" rel=\"noopener\" target=\"_blank\"\u003eSpecifications\u003c\/a\u003e\u003c\/p\u003e","brand":"Geotech Environmental Equipment, Inc.","offers":[{"title":"Case of 24 Double Check GeoBailers .75\" x 36\"","offer_id":48703488688318,"sku":"81050062","price":228.8,"currency_code":"USD","in_stock":true},{"title":"Case of 24 Double Check GeoBailers 1.5\" x 36\"","offer_id":48703488721086,"sku":"81050015","price":211.2,"currency_code":"USD","in_stock":true},{"title":"Case of 9 Double Check GeoBailers 3\" x 36\"","offer_id":48703488753854,"sku":"81050067","price":240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/Bailers.png?v=1723128110","url":"https:\/\/envirotechonline.com\/products\/geotech-double-check-valve-disposable-bailers","provider":"EnviroTech Services","version":"1.0","type":"link"}