Swanson BLL480 Lighted Box Level, 48" Summer10 Washer less ceramic disc valve

Washer less ceramic disc valve

HVI Certified CFM :  @

Fitting: 1/4" Industrial

Use to permanently air seal and insulate gaps and cracks up to 1/2" wide blocking drafts

Swanson BLL480 Lighted Box Level, 48" Summer10 Washer less ceramic disc valveHeavy duty aluminum frame houses industrial strength acrylic block vials and is finished with 'Super Shock' end caps made from a proprietary polymer rubber blend, Deep accurized V groove for round and square stock, Multi ring vials indicate 2 degree and 4 degree grade for drainage Highlights: LED lights on all three vials Auto 10 minute shut off saves on batteries Shock proof end caps Takes 2 AAA batteries 48" Carded