{"id":9890,"date":"2026-03-19T16:38:24","date_gmt":"2026-03-19T14:38:24","guid":{"rendered":"https:\/\/vestelli-fi.kehityspalvelin.fi\/tuote\/greywater-treatment-plant-iisi-h6\/"},"modified":"2026-07-08T16:06:07","modified_gmt":"2026-07-08T13:06:07","slug":"greywater-treatment-plant-iisi-h6","status":"publish","type":"product","link":"https:\/\/vestelli-fi.kehityspalvelin.fi\/en\/tuote\/greywater-treatment-plant-iisi-h6\/","title":{"rendered":"Greywater treatment plant IISI H6"},"content":{"rendered":"<h3><strong>IISI H6 grey water purifier \u2013 an efficient and carefree solution for 1\u20136 people<\/strong><\/h3>\n<p>The IISI H6 greywater purifier is designed to clean the washing water of 1\u20136 people efficiently and in an environmentally friendly manner. It is suitable for both detached houses and holiday homes where a reliable and low-maintenance wastewater solution is desired. The design flow rate is up to 750 liters per day, and the treatment plant also tolerates occasional load peaks well.  <\/p>\n<h3><strong>Biological cleaning without chemicals and replacement materials<\/strong><\/h3>\n<p>IISI H6 uses a continuous biological process where water flows through the treatment plant by gravity. There is no need for a filter field, chemicals or peat changes. The plastic IISI growth media discs provide a large surface area for microbial activity, ensuring high purification efficiency of up to 98%.  <\/p>\n<h3><strong>Easy to install and use<\/strong><\/h3>\n<p>The compact, self-anchoring design allows installation without separate anchoring solutions. The device is lightweight, corrosion-free and ready to use immediately. Installation is possible on all plots and soils, including coastal areas and areas with stricter cleaning requirements.  <\/p>\n<h3><strong>Economical and maintenance-free operation<\/strong><\/h3>\n<p>The operating costs are very low \u2013 electricity costs only around \u20ac2-3\/month, and the sludge only needs to be emptied once a year. There are no filters, chemicals or complicated maintenance to replace. <\/p>\n<h3><strong>Specifications<\/strong><\/h3>\n<ul>\n<li>\n<p>Capacity: 750 l of washing water \/ day<\/p>\n<\/li>\n<li>\n<p>Number of users: 1\u20136 people<\/p>\n<\/li>\n<li>\n<p>Continuous biological process \u2013 gravity water flow<\/p>\n<\/li>\n<li>\n<p>Plastic IISI growing medium discs \u2013 never need to be replaced<\/p>\n<\/li>\n<li>\n<p>Efficient oxidation and separation ability<\/p>\n<\/li>\n<li>\n<p>No need for a filter field, chemicals or peat<\/p>\n<\/li>\n<li>\n<p>Material: high quality polyethylene plastic, lightweight and durable<\/p>\n<\/li>\n<li>\n<p>Self-anchoring structure \u2013 easy installation<\/p>\n<\/li>\n<li>\n<p>Operating costs: electricity approx. 2\u20133 \u20ac\/month, sludge emptying once\/year <\/p>\n<\/li>\n<\/ul>\n<h3><strong>Documents<\/strong><\/h3>\n<p><strong><a href=\"\/wp-content\/uploads\/2023\/02\/IISI-H6-tuotekortti_2023.pdf\" target=\"_blank\" rel=\"noopener\">IISI H6 Product Card<\/a> <\/strong><\/p>\n<p><strong><a href=\"\/wp-content\/uploads\/2021\/07\/Avalon_Nordic_Green_Rock_IISI-_H6_leikkauspiirustus.pdf\" target=\"_blank\" rel=\"noopener\">IISI H6 Sectional drawing<\/a> <\/strong><\/p>\n<p><strong><a href=\"https:\/\/kauppa.vestelli.fi\/wp-content\/uploads\/sites\/4\/2025\/05\/IISI_H6_ja-H12_Manuaali_FIN_2022.pdf\" target=\"_blank\" rel=\"noopener\">IISI H6 and H12 Installation and operating instructions<\/a><\/strong><\/p>\n<p>The product is sold and delivered <strong>by Avalon Nordic Oy<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-avalon-nordic-logo\" src=\"\/wp-content\/uploads\/2026\/03\/avalon-nordic-logo_word-300x116.jpg\" alt=\"Avalon Nordic\" width=\"300\" height=\"116\"><\/p>\n<p><em>Vestelli Oy has acquired the entire share capital of Avalon Nordic Oy. <a href=\"\/en\/vestelli-oy-press-release-vestelli-oy-and-avalon-nordic-oy-join-forces\/\">Read more about the acquisition<\/a> <\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The IISI H6 greywater purifier is designed to clean the washing water of 1\u20136 people efficiently and in an environmentally friendly manner. It is suitable for both detached houses and holiday homes where a reliable and low-maintenance wastewater solution is desired. The design flow rate is up to 750 liters per day, and the treatment plant also tolerates occasional load peaks well.<\/p>\n","protected":false},"featured_media":9891,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[139,136],"product_tag":[],"class_list":["post-9890","product","type-product","status-publish","has-post-thumbnail","product_cat-greywater-treatment-for-homes-and-holiday-properties","product_cat-wastewater-treatment-systems","first","instock","shipping-taxable","purchasable","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Greywater treatment plant IISI H6 | Vestelli.fi<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Greywater treatment plant IISI H6 | Vestelli.fi\" \/>\n<meta property=\"og:description\" content=\"The IISI H6 greywater purifier is designed to clean the washing water of 1\u20136 people efficiently and in an environmentally friendly manner. 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