My dry box has been designed so I do not have to alter the box in any way. No holes, cut outs or other modifications to the box itself. This lid design goes along with my spool holder designs which have incorporated hygrometers. The quick connector can be found on Amazon at this link: https://www.amazon.com/dp/B09JSR99RC?ref_=ppx_hzsearch_conn_dt_b_fed_asin_title_3&th=1   .  I use a rubber tip to cap the PFTE tube which can be found on Amazon at this link: https://www.amazon.com/dp/B0D17BF99Q?ref_=ppx_hzsearch_conn_dt_b_fed_asin_title_2