Holdrite® HFPA4 HYDROFLAME™ PRO Aerator Adaptor Box, For Use With #4 Fire Stop Sleeve and #5 Hollow Sleeve, Polypropylene
Holdrite® Aerator Adaptor Box, Series: HYDROFLAME™ PRO, For Pipe Size: 2-1/2 to 4 in, For Use With: #4 Fire Stop Sleeve and #5 Hollow Sleeve, 4 in Height, Polypropylene

- Provides a recess in the underside of the concrete floor, for fitting access
- For use in concrete floors as thin as 5-1/2 in
- Ideal for sovent and other high and tight fitting joint access
- Standard/Approvals: Buy American Act|cULus Listed
Holdrite® Aerator Adaptor Box, Series: HYDROFLAME™ PRO, For Pipe Size: 2-1/2 to 4 in, For Use With: #4 Fire Stop Sleeve and #5 Hollow Sleeve, 4 in Height, Polypropylene
The Holdrite® HYDROFLAME™ PRO Series "Aerator Adapter Box" is attached to the underside of the Pro Series cast-in-place firestop sleeves and provides an enlarged void useful for recessed fitting joints in concrete ceilings. UL-Listed accessory when used with HoldRite's HYDROFLAME™ PRO Series Sleeves.
- Brand: Holdrite®For Pipe Size: 2-1/2 to 4Height: 4Material: PolypropyleneSeries: HYDROFLAME™ PROSuitable For Use With: #4 Fire Stop Sleeve and #5 Hollow Sleeve

Holdrite® HFPA4 HYDROFLAME™ PRO Aerator Adaptor Box, For Use With #4 Fire Stop Sleeve and #5 Hollow Sleeve, Polypropylene
Holdrite® Aerator Adaptor Box, Series: HYDROFLAME™ PRO, For Pipe Size: 2-1/2 to 4 in, For Use With: #4 Fire Stop Sleeve and #5 Hollow Sleeve, 4 in Height, Polypropylene