HandFan 10000mAh Portable Neck Fan Rechargeable, 48Hrs Long-Lasted Wearable Personal Fans, Hands Free Necklace Fans, Hanging Cooling Fan for Travel, Hiking, Fishing, Gifts for Women Men

I might consider using this. My wife and I each have our own unit. Makes working outside so much nicer. Long battery life and rechargeable. Make cutouts in the upper housing, attach to deck, and add some kind of filtration. Multiple Speeds. https://www.amazon.com/dp/B08RS6XSTV/ref=sspa_dk_detail_4?pd_rd_i=B08RS6XSTV&pd_rd_w=UEAtM&content-id=amzn1.sym.af2be12d-373e-4c68-a933-d40df60554fe&pf_rd_p=af2be12d-373e-4c68-a933-d40df60554fe&pf_rd_r=7SVF5M0NJPM2XWD47X1B&pd_rd_wg=JIUwR&pd_rd_r=fa3bcd3c-9fc4-473c-9ddd-0634a6ea61b0&sp_csd=d2lkZ2V0TmFtZT1zcF9kZXRhaWxfdGhlbWF0aWM&th=1