Hex Nut for Oxygen Connection (use with Part # EQ117 OR EQ121) 1 Review Pinit SKU: EQ115 $1.85 Quantity discounts available QuantityPrice Quantity -+ Add to Cart Details Hex Nut for Oxygen Connection (use with Part # EQ117 OR EQ121). Used to add a B sized threaded connection to a cut hose. DetailsApplyDetailsHex Nut for Oxygen Connection (use with Part # EQ117 OR EQ121). Used to add a B sized threaded connection to a cut hose.See MoreSee Less Reviews 5 ApplyRatings & Reviews 1 review 5 stars 1 review 4 stars 0 reviews 3 stars 0 reviews 2 stars 0 reviews 1 star 0 reviews Filter By DateBy RatingAll Reviews5 Star Reviews4 Star Reviews3 Star Reviews2 Star Reviews1 Star Reviews 3/17/2022 3:55 pm Just what I needed by Krista - Perfect for hooking up to oxy concentrator