{"product_id":"bioscape-adaptor-head-seal-ring-for-qhu18e-bis32-33-34","title":"Bioscape Adaptor Head Seal Ring for QHU18e \/BIS32,33 \u0026 34","description":"\u003cp\u003e\u003cstrong\u003eThe seal that keeps your Tropic canister's head watertight.\u003c\/strong\u003e This adaptor head seal ring (Bioscape's QHU18e design) is the genuine replacement O-ring for the inlet\/outlet head assembly on the Bioscape Tropic Canister Filter 1800 lph (BIS32), 2200 lph (BIS33) and 2200 lph UV 9W (BIS34).\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Bioscape part\u003c\/strong\u003e — matched to the QHU18e head used across the three largest Tropic canister models\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeals the head-to-canister union\u003c\/strong\u003e — the most common point for a slow drip or weeping leak on these filters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne ring covers three models\u003c\/strong\u003e — BIS32, BIS33 and BIS34 share the same head assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo tools needed\u003c\/strong\u003e — lifts off the old ring and seats the new one by hand\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003ctd\u003eBioscape Tropic Canister Filter 1800 lph (BIS32), 2200 lph (BIS33) and 2200 lph UV 9W (BIS34)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead type\u003c\/th\u003e\n\u003ctd\u003eQHU18e adaptor head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePart\u003c\/th\u003e\n\u003ctd\u003eAdaptor head seal ring \/ O-ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSKU\u003c\/th\u003e\n\u003ctd\u003eQHU18M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold as\u003c\/th\u003e\n\u003ctd\u003eSingle seal ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\u003cp\u003eSuitable for BIS32, BIS33 and BIS34 only. Not suitable for the 800 lph (BIS30) or 1200 lph (BIS31) models — those use the smaller QHU18d head and take the \u003ca href=\"\/products\/bioscape-adaptor-head-seal-ring-for-qhu18d-bis30-31\"\u003eQHU18d seal ring\u003c\/a\u003e instead. On the BIS34, this ring seals the same head housing the UV lamp connects through, so a worn ring can show up as a leak around the UV chamber as well as the main head.\u003c\/p\u003e\u003ch3\u003eFitting\u003c\/h3\u003e\u003cp\u003eSymptom this fixes: a slow weep or drip where the filter head meets the canister body, usually noticed as a damp patch under the unit. Depressurise and disconnect the filter, separate the head from the canister, lift out the old ring, seat the new one in the same groove, and reassemble. No tools required.\u003c\/p\u003e\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\u003cp\u003eSold as a spare part; not separately warranted beyond standard consumer guarantees under Australian Consumer Law. Standard freight applies.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003ch4\u003eHow do I know if I need this seal or the QHU18d one?\u003c\/h4\u003e\u003cp\u003eCheck your filter's flow rate. 1800 lph (BIS32), 2200 lph (BIS33) and 2200 lph UV (BIS34) use the larger QHU18e head and take this ring. 800 lph and 1200 lph models use the smaller QHU18d head.\u003c\/p\u003e\u003ch4\u003eDoes this ring work on the UV model (BIS34)?\u003c\/h4\u003e\u003cp\u003eYes — the BIS34 shares the same QHU18e head as the BIS32 and BIS33, just with a UV steriliser attached.\u003c\/p\u003e\u003ch4\u003eMy filter is dripping at the head — is this the fix?\u003c\/h4\u003e\u003cp\u003eA perished or compressed seal ring is the most common cause of a leak at the head join on these filters, and it's worth replacing first before assuming a bigger fault.\u003c\/p\u003e\u003ch4\u003eDo I need any tools to fit it?\u003c\/h4\u003e\u003cp\u003eNo — it lifts off and seats back on by hand.\u003c\/p\u003e","brand":"Bioscape","offers":[{"title":"Default Title","offer_id":55293074145571,"sku":"QHU18M","price":7.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/QHU18m_1.png?v=1782871321","url":"https:\/\/nicksaquariumoceanariumterrarium.com.au\/products\/bioscape-adaptor-head-seal-ring-for-qhu18e-bis32-33-34","provider":"Nicks AOT","version":"1.0","type":"link"}